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BOARDS
COMQUEST
1780
Medical
Graduate
05/21/2013

Additional Medical Flashcards

 


 

Cards

Term
Chapman - bet spinous and transverse processes of T11 and T12
Definition
adrenals
Term
Chapman - bet spinous & transverse processes of T12 and L2
Definition
kidneys
Term
Chapman - periumbilical
Definition
bladder
Term
Chapman - tip of transverse process T11
Definition
appendicitis
Term
DM, diarrhea/steatorrhea, cholelithiasis, hypochlorhydria, wt loss; arise in duodenum, delta cells of pancrease
Definition
somatostatinoma syndrome
Term
amoxicillin and ampicillin assoc w/ rash in pts with...
Definition
infectious mono (EBV)
Term
withdrawn, solitude, lack of interest in friends, "loner." takes pleasure in few, if any, activities
Definition
Schizoid personality disorder
Term
t (9;22), bcr-abl fusion gene, 30-60 yo, males, DEC leukocyte alkaline phosphatase (LAP), high WBC w/ basophilia
Definition
Chronic myelogenous leukemia (CML)

Philadelphia chromosome - forms tyrosine kinase in stuck "on" state - uncontrolled prolif mature granulocytes (esp NTs)

Tx: Imatinib** imp protein kinase inhibitor
Term
MC leukemia in adults ~65, Auer rods
Definition
Acute myelogenous leukemia (AML)
Term
50 yo, male, splenomegaly, TRAP+, fried egg appearance
Definition
Hairy cell leukemia
Term
MC leukemia >60, smudge cells, assoc w/ lymphocytosis, hemolytic anemia, thrombocytopenia
Definition
Chronic lymphocytic leukemia (CLL)
Term
MC leukemia in kids <15
Definition
Acute lymphocytic leukemia (ALL)

stain +TdT
assoc w/ Down syndrome
Immuno marker - ALL Ag (CALLA)
Term
leukocytosis secondary to infection, INC leukocyte alkaline phosphatase**
Definition
leukemoid reaction
Term
high NT
Definition
bacterial/leukemoid rxn = left shift, high LAP (leukocyte alkaline phosphatase)
Term
high monocytes
Definition
inflamm, infection, CA
Term
high eosinophils
Definition
allergy, parasites
Term
high basophils
Definition
CML, t(9;22)
Term
high lymphocytes
Definition
viruses, B pertusis, ALL, CLL
Term
mononucleosis
Definition
EBV/CMV, CLL/hairy cell, ATLL, mycosis fungoids
Term
Sargramostim, Filgrastim
Definition
synthetic Granulocyte-colony stimulating factor (GCS-F) and granulocyte-monocyte colony stimulating factor - cytokines that INC NTs in neutropenic pts
Term
loss early motor skills, HSM, mental retard, cherry red macular spot, Ashkenazi Jew
Definition
Niemann-Pick

Note: Tay sachs similar except NO HSM
Term
Gaucher
Definition
affects bone, liver, spleen CNS
Term
HSV-2 prego, multinuc giant cells
Definition
Tx: C-section (w/ active primary infection) OR vag birth + acyclovir w/ recurrent infections
Term
Olanzapine
Definition
SE: weight gain, T2DM (HbAIC >6.5)
atypical (2nd gen) anti-psychotic. Others: clozapine, risperidone, ziprasidone, aripiprazole
Term
LLQ pain, fever, leukocytosis
Definition
diverticulitis

complication: macro perforation, large bowel obstruction, abscess & fistula. C fistula = colovesicular fistula --> pneumaturia (gas/air bubbles in urine), recurrent UTI
Term
diverticulosis
Definition
asymptomatic, may have painless bleeding
Term
abd pain, N, distension, constipation
Definition
sigmoid volvulus
Term
abd pain after eating
Definition
mesenteric ischemia

Complication: bowel infarction
Term
acromegaly
Definition
excess growth after epiphyseal plates close
(Gigantism - excess growth b4 plates close)

pituitary secretes GH --> liver secrete insulin-like growth factor (IGF-1)** test of choice bc consistently high and doesn't fluctuate like GH
Once Dx acromegaly --> check PRL for pituitary adenoma (1/3 pts)
Term
ant pituitary hormones
Definition
GH, ACTH, TSH, FSH, LH, PRL
Term
post pituitary hormones
Definition
oxytocin, vasopressin (ADH)
Term
keratoconjunctivitis sicca (dry eyes), xerostoma (dry mouth), dysphagia (esp dry food), partoid gland swelling, dental carries
Definition
Sjogren's syndrome - F > M, mid age

INC serum gamma globulins, + ANA, SS-A (Ro) and SS-B (La) - most specific

Tx: symptomatic
Note: INC risk B cell lymphoma
Term
Methanol (windshield wiper, anti-freeze, home-made alcoholic beverage), ethylene glycol poisoning tx
Definition
fomepizole
Term
benzodiazepine toxicity tx
Definition
flumazenil
Term
short stature, cafe au lait spots, anomalies w/ thumb, radius, GU tract, aplastic anemia (pancytopenia - low WBC, RBC, platelets, bone marrow hypercellularity)
Definition
Fanconi anemia - mut DNA repair gene, X linked auto recess
MC congenital form of aplastic anemia

Risk of AML, myelodysplastic syndrome, sqamous cell CA of head, neck, genitals
Term
multiple hypopigmented macules on face, upper arms, chest, back after sun exposure
Definition
Malassezia furfur (pityrosporum ovale) - "spaghetti & meatball" look (hyphae w/ budding spore)

Tx - selenium sulfide, topical terbinafine or ketoconazole, or oral -azole if hard to tx
Term
rheumatoid arthritis + Coal workers' pneumoconiosis (CWP)
Definition
Calpan syndrome
Term
sandblasting, stone cutting, mining, quartz, "egg-shell" calfic in hilar nodes
Definition
Silicosis - alveolar macrophages phagocytose quarts --> rel cytokines, fibrosis

INC risk lung CA & TB
Term
plumbers, ship builders, roofers
Definition
Asbestosis - pleural plaques lower lobe, gold-brown dumbbell-shaped rods
INC risk bronchogenic CA (also seen in smokers)
Term
Mesothelioma
Definition
yrs after asbestos exposure, no relationship to smoking
Term
Coal workers' pneumoconiosis (CWP) aka anthracosis
Definition
inhaled carbon (coal, tobacco, polluted cities) - upper lobes, CXR - small fibrotic nodules upper lung
Term
Transient myeloprolif disorder
Definition
mild/asymptomatic in trisomy 21, unreg prolif of megakaryocytic blasts
Term
childhood cerebellar ataxia, spider angiomas, IgA deficiency
Definition
Ataxia telangiectasia
Term
child: extreme high fever x 3-5 days --> lacey body rash
Definition
roseola (HHV-6) - resp droplets
Term
brain abscess HIV (multiple ring-enhancing lesions), congenital infections (triad chorioretinitis, hydrocephaly, intracranial calcif)
Definition
Toxoplasmosis (Toxoplasma gondii) - ingested cysts in undercooked meat, cat feces, reactiv of prev latent dz (AIDS)

occurs late AIDS when CD4 <200

Tx - sulfadiazine w/ pyrimethamine (+ HAART therapy)
Term
100s-1000s adematous colonic polyps + extraintestinal ie osteomas (benign bone growths esp in skull/mandible), dental abnorm, desmoid tumors, cutaneous lesions (fibromas)
Definition
Gardner's syndrome
Term
CNS tumors + FAP (familial ademomatous polyposis)
Definition
Turcot's syndrome
Term
multiple pigmented spots on lips/oral mucosa, multiple GI polyps (hamartomatous)
Definition
Peutz-Jeghers syndrome
Term
100s-1000s adenomatous colonic polyps
Definition
FAP (familial adenomatous polyposis)
Term
<100 hamartomatous polyps, kids, rare
Definition
juvenile polyposis syndrome
Term
tan skin, new cardiac murmur, INC transaminases, glucose, elev Fe
Definition
Hemochromatosis - auto recess, INC Fe absorp, Fe deposits on pancreas --> destroys beta islet cells (needed to prod insulin, thus get hyperglycemia) = T1DM

INC Fe, ferritin, transferrin sat, DEC TIBC

Fe deposits in liver --> result in cirrhosis, INC risk hepatocellular CA
Term
upper/lower resp Sx (rhinitis, hemoptysis) + glomerulonephritis, positive c-ANCA**
CXR - interstitial lung dz, infiltrates, cavitary nodules
Definition
Wegener's granulomatosis - nephritic syndrome: hematuria, oliguria, mild proteinuria, edema, HTN

necrotizing vasculitis - lungs/kidneys
Term
nephritic syndrome (spares upper resp), Dx'd w/ Bx & serum anti-GBM Abs

CXR - normal, or b/l perihilar patchy infiltrates
Definition
Goodpasture's syndrome
Term
MC nephrotic syndrome, Bx - IgG and C3 at BM, spike & dome appearance
Definition
membranonus glomerulonephritis
Term
kid preceded w/ fever, nephrotic syndrome, low serum C3, IgG/C3 in granular pattern on Bx,
Definition
Post infectious glomerulonephritis
Term
nephritic syndrome occurs 2-3 days after URI, mesangial prolif, painless hematuria
Definition
Berger's dz (IgA nephropathy) - related to Henoch Schonlein dz
Term
most specific test for SLE...
most sensitive test for SLE...
most sensitive test for Rx-induced lupus...
Definition
most specific - anti-Smith Ab
most sens - antinuclear Ab (ANA) test
anti-histone Ab
Term
specific test for Sjogren's syndrome
Definition
anti SSB/La
Term
pulm HTN tx
Definition
Tx - bosentan = inhib endothelin-1 receptor (endothelin - potent constrictor)
pulm HTN caused by vasoconstriction & fibrosis

pulm HTN - loud S2, SOB, fatigue, cough, INC PVR, INC mean pulm arterial pr
Term
malaria tx
Definition
Tx - chloroquine - inhib nucleic acid synthesis
Term
albendazole
Definition
txs helminth infection, ie pinworm, hookworm, whipworm, ascaris

MOA - bind & disrupt cytoplasmic microtubules
Term
ivermectin
Definition
broadspec antihelmintic; Txs microfilarial, onchocerciasis (river blindness), strongyloidiasis
MOA - INC Cl- permeability in various nematodes --> hyperpol of parasite membranes, mm paralysis
Term
praziquantel
Definition
antiparasitic
txs cestodes, trematodes, esp fluke infections ie schistosomiasis, most tapeworm infections (beef, pork, dog, fish)
MOA - INC Ca permeability of tegument (outer covering) of Schistosoma
Term
cerebral edema fr head trauma tx
Definition
mannitol - DEC ICP (INC ICP causes NV, HA, fixed dilated pupils, papilledema)
MOA - osmotic diuretic - draws water into renal tubule by osmosis, outside kidney it draws water fr tissue into blood

Severe INC ICP causes Cushing's triad (HTN, bradycardia, irreg breathing)**

SE: hyponatremia, pulm edema
Term
Raloxifine
Definition
SERM (selective estrogen R modulator)
MOA: estrogen DEC apoptosis of osteoblasts --> INC osteoblastic activity & DEC IL-6 (which stim osteoclasts); antagonist at estrogen-R in breast/endometrium
Tx - osteoporosis
Term
Tamoxifen
Definition
SERM - antag on estrogen R at breast, but agonist on bone, brain, liver, endometrium (INC risk endometrial hyperplasia/CA)
Tx - estrogen-R positive breast CA
Term
giant cell tumor
Definition
beingin, epiphysis of long bones, 20-40s, destroys bone, appears cystic, "soap bubble" lesion on xray, bx - multinuc giant cells
Term
osteosarcoma
Definition
malig primary tumor, teenagers, metaphysis of femur, humerus, tibia, Xray - Codman's triangle (periosteum raised d/t tumor)
Term
osteoblastoma
Definition
benign bone tumor, closely related to osteoid osteoma, differs by its ability to grow > 2cm
Term
Ewing's sarcoma
Definition
malig tumor, teenagers, xray - periosteal rxn w/ onion skin or sunburst pattern --> aggressive

metaphysis/diaphysis of long bones (ext)
Term
osteoid osteoma
Definition
benign tumor similar to osteoblastoma, but < 2cm; arise fr osteoblasts, found in femur, tibia

xray - well-demarcated lytic lesion surrounded by sclerosis
Term
doxorubicin
anthracycline abx (also daunorubicin)
Definition
MOA - inhib topoisomerase II (prevent DNA repair), ability to intercalate (insert itself) bet DNA base pairs (blocking DNA syn), & ability to generate free radicals (cause cellular damage)

MOST IMP SE: CARDIOTOXICITY -- dilated cardiomyopathy, CHF (elev JVP, DEC ejection fraction, pulm edema), severe alopecia
Term
Ifosfamide, cyclophosphamide (alkylating chemo agents)
Definition
MOA - alkylate N-7 pos guanine --> DNA mismatch, abnormal cross-linking base pairs, breakage of DNA strand
SE - hemorrhagic cystitis**, myelosuppression (DEC WBC), SIADH, cardiac dysfxn
metab by liver --> breakdown product acrolein* = bladder SE, Tx - Mesna (mercaptoethanosulfate) binds inactiv acrolein
Term
Cisplastin (platinum based alkylating agent)
Definition
MOA - create links bet in strands to prevent synthesis (similar to cyclophosphamide)

NEPHROTOXICITY (cleared by kidneys), neurotoxicity (peripheral neuropathy, tinnitis), myelosuppression
Term
Bleomycin
Definition
DNA cleaving abx
MOA - oxidative damage to DNA, breaks strand --> apoptosis

SE - skin lesions (hyperpig, erythema, ulceration), pulm dz most serious (dry cough, rales, PULM FIBROSIS)
Term
sertoli cells
Definition
support for developing sperm
FSH --> stim androgen binding protein (ABP) in Sertoli --> ABP binds testot & maintains high concen in seminiferous tubules to stim spermatogenesis
Sertoli also makes INHIBIN (inhib FSH)
Term
Leydig cells
Definition
LH --> stim Leydig cells --> testot
(if LH INC means defect in Leydig)
Term
closed angle glaucoma
Definition
acute, severe ocular pain, frontal HA, visual halos, eye firm on palpating, ocular erythema, INC OCULAR PRESSURE (by tonometer), damaged ocular nn
push iris closer to lens --> block flow of humor
Term
veritcal diplopia
Definition
CN IV palsy - sup oblique - intorts, depresses eye when adducted; pts complain reading or walking down stairs
Term
papilledema
Definition
enlarged blind spot (usually normal vision unless very severe), HA, NV
optic disk swelling 2ndary to INC ICP
Term
ptosis w/ depressed abducted eye, pupil dilation, loss of accomodation
Definition
CN III damage - sup, med, inf rectus, inf oblique, pupillary constriction (sphincter pupillae), lens accomodation (ciliary mm), eyelid opening (palpebrae superioris)
Term
cavernous sinus syndrome
Definition
opthalmoplegia w/ opthalmic & maxillary sensory loss - sinuses are venous blood-filled spaces lat to pituitary gland; contains internal carotid aa, CN III, IV, V1, V2, VI
Term
open angle glaucoma
Definition
painless, gradual vision loss, INC cup-to-disk ratio (optic disc cupping - also seen in closed angle)
atrophy of trabecular meshwork (takes up humor) --> canal of Schlemm for absorp into bloodstream
thus, get DEC resabsorp
gradual vision loss
Term
ciliary process
Definition
makes aqueous humor; lies post to iris
has B receptors (thus BB help DEC intraocular pr); alpha agonists like epi constrict BV and DEC humor prod
Term
ciliary body
Definition
ciliary process + ciliary mm: change lens shape (accomodation), reg humor flow
ciliary mm activ byb muscarinic-R agonists (pilocarpine Txs glaucoma by INC humor drainage)
Term
retinal aa occlusion
Definition
acute, painless, monocular loss vision d/t embolus
pale retina w/ cherry-red macula (maintains blood supply fr ciliary aa making it still red)
Term
bilat, painless, lens thickening, opacifications w/ glare, slow progressive vision loss
Definition
cataracts
risk factors: age, smoking, DM, EtOH, HTN, obesity, UV exposure
Term
degen macula w/ blurring or loss central vision but spared peripheral vision, drussen (yellow fat deposits) on fundoscopic
Definition
age related macular degen
Term
congenital port-wine stain (hemangioma - dark red vasc malformation on eyelids) of V1, V2 distrib; mental retard, glaucoma, hemiparesis, hemianopsia, seizures
Definition
Sturge-Webeter
Term
hypomelanotic macules ("ash leaf spots"), seizures, mental retard, Shagreen patch (cutaneous nevus), facial angiofibromas
Definition
Tuberous sclerosis

affects eyes, heart, lungs, kidney
Term
cafe au lait spots (6+ hyperpig macules), freckling in groin/axilla, skeletal abnorm, Lisch nodules (hamartomas of iris)
Definition
Neurofibromatosis 1 (MC than NF2)
AD, NF1 gene, chrom 17

NF2 - assoc w/ bilat acoustic neuroma, NF2 gene, chrom 22
Term
multisys CA syndrome, esp clear-cell renal cell CA, pheochromocytoma, hemangioblastoma
Definition
von-Hippel-Linday dz
Term
monitoring test for colon CA
Definition
CEA (carcinoembryonic Ag) - esp epi origin; also INC in lung, pancreatic
Term
monitoring test for pancreatic CA
Definition
CA 19-9
Term
ovarian CA marker
Definition
CA-125
Term
marker for fetal development, hepatocellular CA, testicular CA, teratocarcinoma
Definition
AFP
Term
S-100
Definition
INC in melanoma pts, esp w/ mets dz
Term
burning/stabbing pain, 10/10 when pressure placed on face, otherwise it's 0/10
Definition
Dx - trigeminal neuralgia (F, >50s
Tx - anticonvulsant ie carbamazepine (also used for epilepsy & bipolar)
MOA - limit influx Na across membrane
Term
ethylene glycol ingestion (antifreeze, carpet cleaner)
Definition
SE - CNS depression, renal failure w/ metabolic acidosis
toxic metab glycoaldehyde --> glycolic acid (contrib to met acidosis) --> oxalic acid --> deposits as Ca oxalate in various tissues
1-3 hrs - confusion, ataxia, hallucination, sllurred speech, coma
Next - cardiopulm sx, met acidosis - NV, hyperventilation, HTN, tachycardia, pulm edema, resp distress
24-72 h - urinary ca oxalate crystals w/ oliguric/anuric renal failure
Tx - Na bicarb, ethanol, hemodialysis, fomepizole
Note: anion gap = serum Na - (HCO3 + Cl), if >12 = elev... DDx for high AGMA: renal failure, lactic acidosis, DKA, alcoholic ketoacidosis, salicylate/methanol poisoning, ethylene glycol poisoning
Term
CNS depression, high anion gap metabolic acidosis, appears drunk
Definition
methanol ingestion (without Ca oxalate crystals which is seen in ethylene glycol ingestion)
Term
Type 1 renal tubular acidosis
Definition
normal anion gap met acidosis (NAGMA) w/ low serum K
Term
PCN
Definition
gram + (S pneumo, S pyogenes, actinomyces), syphillus
Term
4th gen cephalosporin (cefepime, cefpirome)
Definition
Gram + sepsis, pseudomonas
Term
macrolide (erythromycin, azithromycin, clarithromycin)
Definition
Gram + cocci w/ PCN allergies, atypical pneummonias (myocoplasma, chlamydia, legionella), URIs, STDs
Term
Fluroquinolone (levofloxacin, "xacin")
Definition
more severe gram pos + and Gram pos - infections ie pseudomonas & Neisseria
Term
albuterol
Definition
SABA, others - terbutaline, metaproterenol, pirbuterol, levalbuterol, fenoterol
MOA - stim B-2 adrenoceptors in airway, DEC intracell Ca, hyperpol smooth mm d/t INC K influx (can lead to hypokalemia), DEC myosin activity ==> relaxed bronchial smooth mm
SE - stim sympathetics: tachycardia, palpitations, tremors, diaphoresis, agitation
Term
cromolyn Na
Definition
"stabilizes" membrane of mast cells by interfering w/ Ca influx
Term
ipratropium
Definition
anticholingergic; combined w/ B2 agonists to Tx acute asthma exacerbations
MOA - inhib Ach by blocking muscarinic R --> inhib secretions of mucosal glands in resp and inhib vagus-nn mediated bronchconstriction
Term
prednisone
Definition
DEC airway inflamm by DEC capillary permeability & inhib leukocytes
SE: Cushing's, osteoporosis, DM, glaucoma, cataract, truncal obesity
Term
zafirlukast, montelukast
Definition
leukotriene R antag
MOA - inhib bronchospasm, vasc permeability, mucosal edema, infiltration of inflamm cells
Tx - aspirin induced asthma
Term
warfarin
Definition
inhib hepatic syn of vit K dep clotting factors (II, VII, IX, X) - block extrinsic pathway, also protein C, S, Z
Tx - prophylaxis/Tx of thrombosis & thromboembolism (esp afib, cardiac valve rep, DVT, PE, prev MI)
Monitor PT and INR (2-3); high INR --> risk bleeding
Reversal Tx - Fresh frozen plasma (rapid), vit K (takes longer)
Term
enoxaparin, dalteparin, tinzaparin, fondaparinux (indirect thrombin inhibitor)
Definition
HEPARIN
MOA - bind antithrombin
Use - prophylaxis/Tx of DVT & PE, ACS, prevent clot in catheters, after hip surg
SE: heperin induced thrombocytopenia - platelet degradation d/t immune rxn
Term
pentoxifylline
Definition
DEC blood viscosity
Use - intermittent claudication of obstructed aa in limbs
SE - dizziness, HA, NV, dyspepsia
Term
alteplase, reteplase, tenecteplase, streptokinase, urokinase (thrombolytics)
Definition
MOA - conversion of plasminogen to plasmin (thrombolysis)
Use - MI (coronary aa thrombosis), thromboembolic strokes, DVT, PE, clear AV cannula occlusion
Term
aspirin (antiplatelet)
Definition
MOA - inhib syn of thromboaxane A2; prevent platelet aggreg
Use - primary prophylaxis for Acute MI; also analgesic, antipyretic, anti-inflamm
SE: gastric ulcer, bleeding, anemia, Reye's syndrome (kids get acute encelphalopathy & fatty liver), tinnitis
Term
endotoxin
Definition
made of LPS - outer membrane Gram neg --> major cause septic shock fr Gram neg
Lipid A = most imp part of LPS (don't confuse w/ S aureus's Protein A) --> activ macrophages --> fever, hypoTN, inflamm, coag
Alt C' pathway & coag pathway (DIC) activateed
heat stable, rel IL-1, 6, 8 (fever), TNF-alpha (hemorrhagic tissue necrosis), nitrous oxide (hypoTN/shock), platelet activ factor (hypoTN)
Term
techoic acid
Definition
Gram +, rigidity to cell walls, mediates attachment
Term
Protein A
Definition
rel by S aureus; avoid phagocytosis
Term
M protein
Definition
S pyogenes; evade phagocytosis
Term
physotigmine
Definition
indirect cholinesterase inhibitor
Tx CNS effects of anticholinergics atropine & scopolamine; also myasthenia gravis, glaucoma
Term
bethanechol
Definition
muscarinic agonist
Tx urinary retention & ileus
Term
neostigmine
Definition
indirect cholinesterase inhibitor
unlike physostigmine, doesn't cross BBB
Tx myasthenia gravis, reverse mm relaxant in anesthedia, post op urinary retention
Term
carbachol
Definition
muscarinic agonist
Tx DEC intraocular pr in glaucoma
Term
hyperviscosity, thrombocytosis
HA, vertigo, pruritis after shower, thrombosis signs, splenomegaly, pleothora of face, INC RBC mass, INC EPO in response to INC RBC, INC H/H, WBC, platelets, leukocyte alkaline phosphatase, bilirubin, B12
Definition
polycythemia vera - malig prolif of RBCs in bone marrow
erythromelalgia - red, burning ext relieved by aspirin & cold temp; worse w/ warmth
Complications - CVA, MI, DVT, PE
Tx - hydroxyurea, chronic phlebotomy
Primary/PV: low EPO, high RBC, normal SaO2
Hypoxia/Secondary: high EPO, HIGH RBC, low SaO2 (or normal if d/t tumor)
Relative: low plasma vol
Term
flutamide
Definition
anti-androgen
Tx - adv prostate CA, hirsutism (also spironolactone)
MOA - block testot & DHT-R on prostate cells (does NOT DEC LH/testot)
SE - gynecomastia, galactorrhea, sexual dysfxn
Term
cabergoline, bromocriptine
Definition
dopamine agonist
Tx - hyperPRL (fr pituitary adenoma)
Term
alendronate
Definition
biphosphonate
Tx - osteoporosis, osteolytic lesions fr CA
Term
leuprolide
Definition
GnRH-R agonist
MOA - DEC LH/FSH --> suppress steroid rel by ovaries/testicles
Tx - adv prostate CA, precocious puberty
If given pulsatile fashion --> will boost LH/FSH and induce ovulation
SE - reversible menopause (hot flashes, vag dryness, breast atrophy, mood lability); gynecomastia/impotence but not galactorrhea
Term
prednisone
Definition
systemic corticosteroid - bind to cytoplasmic GC-R of in all cells --> complex translocated to nuc where it disrupts inflamm mediators; inhib phospholipase A2 (--> arachidonic acid)
Term
wrist drop
Definition
radial nn palsy --> intoxicated pts "sat night palsy," using crutches
weakness of wrist/finger extensors, can't supinate forearm, loss of thumb abduction (abd pollicus longus), sensory dorsolat hand, dorsal 1st, 2nd, 3rd digit
Term
motor to deltoid & teres minor, sensory over lat shoulder; weakness abductoin, ext rot
Definition
axillary nn injury fr shoulder dislocation, humeral surgical neck fracture, sleeping prone w/ arms overhead
Term
motor to wrist/finger flexor mm, pronator teres, abd pollicus brevis, opponens pollicis, 1st & 2nd lumbricals, sensory to palmar 1st, 2nd third, lat half 4th
Definition
median nn injury = ext rot thumn, thenar atrophy, ext of hand/fingers
CARPAL TUNNEL SYNDROME
Term
medial epicondyle frx, weakness hand mm, DEC grip strength, hypothenar atrophy
Definition
ulnar nn = flexor carpi ulnaris, flexor digitorum profundus, 3rd/4th lumbricals, interossei, palmaris brevis, flexor pollicis brevis
Term
humeral fractures, weakness elbow flexion, senosry loss lat forearm
Definition
muscolocutaneous nn - motor to biceps, brachialis, coracobrachialis, sensory to lat forearm
Term
focal necrosis collecting ducts, inner medulla, papilla d/t ischmia
Definition
renal papillary necrosis - seen in sickle cell trait/dz d/t renal medullary sickling/vasc obstruction -- medulla vulnerable to sickling bc of its low PaO2, high osmolality, & acidity
Term
edema, inflamm of interstitium w/ sparing glomeruli & BV, induced by Rxs ie abx (PCN - esp methicillin, cephalosporins), NSAIDs, diuretics, PPIs, anticonvulsants, systemic infxn
Definition
acute interstitial nephritis (AIN) - serum/urine (+) eosinophils
rsash, fever, eosinophilia
Term
acute renal dysfxn fr DEC renal perfusion/direct toxic injury to parenchyma
muddy brown casts, FENa (fractional excretion of Na) >2%
Definition
acute tubular necrosis - caused ischemia (hypoTN, shock), meds (NSAIDs antimicrobial), radiocontrast, rhabdomyolysis, transfusion rxns
hard to disting fr prerenal dz (dehydration - normal microscopy, FENa <1%)
Term
necrosis skeletal mm - MC secondary to crush injury, prolonged immobility, statin use, myositis, seizure
Definition
rhabdomyolysis (+) urine dipstick for blood; (+) myoglobinuria fr injured mm
Term
60s, gross/microscopic hematuria, flank pain, systemic sx wt loss, fever
Definition
renal cell CA
risks: smoking, Von-Hippel Lindau
Term
newborn w/ yellow discoloration skin (hyperbilirubinemia), gen edema, fetal ANEMIA requiring transfusion, heart failure
Definition
erythroblastosis fetalis - hemolytic dz of newborn d/t Rh isoimmunization (Rh (-) mom exposed to fetal RBC that are Rh + and dev Abs to fetal Rh ("D") Ag. Rh - mom becomes "sensitized"
Tx - anti-Rh (D) Ig prevent Rh dz; confers passive immunity, binding fetal cells in maternal circ & prevent sensitization
Term
safe vaccines during pregnancy
Definition
influenza, diphtheria, tetanus toxoid
DO NOT use live attentuated ie varicella, MMR, polio
Term
acute lower abd/pelvic pain + 1+ of the following: urine tenderness, adnexal, cervical motion tenderness
Definition
PID - can also be asymptomatic
acute: >101 F, mucopurulent cervical/vag discharge, NT in vag fluid
Term
dermatitis herpetiformis tx
Definition
dapsone (diamninodiphenyl sulfone) + gluten free diet
Term
epigastric pain (burning/gnawing), relieved by eating, worse hrs later, nocturnal pain, 30-40s
Definition
duodenal ulcer (PUD)
90% caused by H pylori - urea breath test or Ab test; most diagnostic - endoscopy
MC in blood type O
Term
epigastric pain radiating to back, NV, anorexia
Definition
acute pancreatitis
Term
epigastric pain worsened w/ food, older pts
Definition
gastric ulcer
risk - NSAIDs
MC in blood type A
Term
flu-like sx, jaundice, RUQ pain
Definition
acute hepatitis
Term
Colestipol
Definition
bile acid sequestrant (others: cholestyramine, colesevelam)
MOA - prevent reabsorp of bile by binding to it --> INC hepatic synthesis of BA fr cholesterol
Term
cholestyramine
Definition
MOA - prevent BA reabsorp (DEC LDL), INC VLDL --> INC TRIG (don't use in hyperTRIG pts)
Rxs remain inside intestinal lumen & not absorbed --> constipation, bloating, abd pain, flatulence, elev LFTs, heartburn, impair fat sol vit (ADEK)
Term
atorvastatin
Definition
HMG-CoA reductase inhibitor (-statin)
MOA - DEC LDL
Tx - atherosclerosis - INC stability lesions, DEC vasc inflamm & oxidative stress
SE - diarrhea, nasopharyngitis, arthralgia, elev LFT, myositis, rhabdomyolysis
Term
gemfibrozil
Definition
fibric acid deriv (-fibrate)
MOA - DEC TRIG, VLDL, and LDL by INC oxidation of FA in liver & mm
SE - heartburn, myopathy, rash, hypokalemia, high aminotransferase/alkaline phosphatase
Term
ezetimibe
Definition
inhibitor of intestinal sterol absorp
MOA - DEC LDL
Term
niacin
Definition
nicotinic acid, vit B3
MOA - DEC VLDL, LDL, INC HDL**
SE - cutaneous vasodilation & warm sensation, hyperuricemia (can cause gout), acanthosis nigricans d/t hyperglycemia
Term
mm weakness upper ext, worsens as day progresses, relieved by rest. uni ptosis, bilat facial mm weakness, DEC prox mm strength
Definition
Myasthenia gravis - Abs vs Ach-receptors --> no stim at neuromusc end plate that allows entry of Na into skeletal mm to cause contraction
Dx - Tensilon test (edrophonium - short acting
Tx - AchE inhibitor (neostigmine, pyridostigmine, edrophonium)
Term
botulinum toxin
Definition
inhib Ach vesicles to fuse w/ terminal membrane --> NO Ach rel into neuromusc jxn --> mm relaxation
Use - spastic muscular disorders, opthlamic (blepharospasm, strabismus), cosmetic
Term
atracurium, rocuronium (-rium or -nium) = non-depol neuromusc blocking drugs
Definition
MOA - block Ach binding to R --> interfere w/ chilingergic transmission --> mm relax
Use - general anesthesia, endotracheal intubation
Term
megaloblastic anemia
Definition
cause - folic acid (B9) and B12 deficit
folic acid activ thymidylate synthase --> reduced by dihydrofolate reductase --> form tetrahydrofolate --> turned into cofactor in conversion of homocysteine to methionine & synthesis of thymidylate (rate limiting step in DNA syn)
Term
fluorouracil (5-FU; thymidylate synthetase inhibitors)
Definition
MOA - block methylation of dUMP (deoxyuridine monophosphate)
Thymidylate synthetase - catalyze methylation rxn that yields dTMP fr dUMP
5-FU - cytotoxic
Use - solid organ CA (colorectal, gastric, pancreatic, breast), skin (basal cell CA)
Term
rifampin
Definition
MOA - inhib RNA polymerase
Use - TB, prophylaxis of N meningitidis, H flu, S aureus
Term
methotrexate
Definition
antifolate
MOA - inhib dihydrofolate reductase (acts to reduce folate to tetrahydrofolate)
Use - ALL, rheum arthritis, psoriasis, ectopic/molar pregnancy
SE - myelosuppression, GI upset
Term
contact dermatitis
Definition
type IV hypersensitivity - T cell mediated
Term
Klumpke's paralysis ("claw hand")
Definition
injury to C8 and T1; atrophy of intrinsic mm (lumbricals and interossei) --> flexion middle/distail phalanges & hyperextension of metacarpophalangeal jts
Term
Erb palsy ("water's tip")
Definition
injury C5, C6 --> loss of flexion & lat rot of arm & abduction
Term
winged scapula
Definition
injury C5, 6, 7 --> long thoracic nn
Term
Gardnerella Tx
Definition
metronidazole
+ amine test
Term
systolic crescendo-decrescendo murmur at L sternal border, DEC w/ hand grip, but INC w/ valsalva
Definition
hypertrophic obstructive cardiomyopathy (HOCM) - thickened ventricular septum; auto dom
Term
physiologic S3 - rapid ventric filling
Definition
pregos, young adults
Term
polymyalgia rheumatic assoc w/
Definition
giant cell temporal arteritis (same HLA type, pt pop)
Term
hiatal hernias
Definition
most asymptomatic, found incidentally, older pop, d/t loss elasticity & mm tone
Term
chest pain & upper abd pain after severe retching & vomitting, can also occur after endoscopy
Definition
Boerhaave's syndrome - esophageal rupture
Term
centripital rash (starts palms/soles/wrist/ankles then outward)
Definition
1. Rocky mtn spotted fever - Rickettsia Rickettsii; spring/summer; tick vector (mostly dermacentor); found east of Rockies - dogs/rodents, Tx - doxycycline
2. hand, foot, mouth dz (Coxsackie)
3. Syphillis (Treponema pallidum)
Term
rash starts on face moves down, cough, coryza, conjunctivitis, mucosal white spots (Koplik's spots)
Definition
Rubeola (measles) - Paramyxoviridae (-) ssRNA, transmit via resp droplets
Term
rash starts on face moves down, preceded by cervical LAD
Definition
Rubella (German measles)
Term
rose spots on abd; fever, HA, diarrhea
Definition
Typhoid fever
Tx - FQs or cephalosporins
Term
sudden onset HA, N 2 hrs ago. facial droop, non-contrast CT shows 3 cm hyderdense (bright) lesion in frontal cortex
Definition
example of hemorrhagic stroke (tPA contraindicated!)
Term
mm weakness, L sided hemiparesis in face, arm, leg. non-contrast brain CT shows occlusion of contralat lenticulostriate branches of M1 segment MCA that resulted in 1 cm hypodense lesion in post internal capsule
Definition
lacunar stroke (subtype ischemic stroke) - small ischemic stroke in small, deep penetrating aa supplying deep structures (putamen, thalamus, caudate, pons, internal capsule, cerebellum), HTN strong factor
Term
abnorm speech, visual disturb 28 hr ago, homonymous hemianopia, facial weakness, L arm drifts down when asked to raise it
Definition
total anterior circ infarct (subtype ischemic stroke) - MC, MCA blocked, also internal carotid or its bifurcation fr common carotid aa
Term
fever >5 days, fissured lips, erythema & desquamation of palms/soles, bilat conjunctivitis, inflamed red papillae on tongue (strawberry tongue)
Definition
Kawasaki's dz (mucocutaneous lymph node syndrome - vasculitis <5 yo asians) - assoc w/ coronary aa aneurysms, Tx - IV immune globulin (prevent aneurysm) & high dose aspirin (prevent thromboses)
Term
accum homogentisic acid in CT, bones (lead to arthritis) & urine; urine turns black on standing/exposure to air
Definition
Alkaptonuria - homogentisate oxidase deficit, auto recess
Term
glucose-6-phosphatase deficit (normally cleaves P grp fr glucose so it can exit liver as part of glycogenolysis & glyconeogenesis)
Definition
Von Gierke's dz - type 1 glycogenosis - MC glucogen storage dz --> accum glycogen in tissue
Term
lysosomal alpha 1,4-glucosidase deficit
Definition
Pompe dz - accum glycogen in heart, spleen, mm
Term
debranching enzyme 1,6 glucosidase deficit
Definition
Cori dz - accum glycogen in mm, liver, cardiac
Term
mm phosphorylase
Definition
McArdle syndrome --> excess glycogen in mm
Term
galactose-1-phosphate uridyltransferase deficit
Definition
severe galactosemia - neurodev delay, GI sx, cataracts & recent intro of dietary lactose & galactose
Term
tularemia
Definition
rabbits (or deer), Francisella tularensis: gram neg
Term
babesiosis
Definition
NE US; Ixodes deer tick; irreg fevers, chills, hemolytic anemia, hemoglobinuria, RBC intracell parasite - RBC w/ no pigment w/ maltese cross or "diamond ring" Tx - quinine and clindamycin
Term
colorado tick fever
Definition
flu-like illness (fever, HA, myalgia), summer, hikers who remember a tick bite
Term
nonselective beta blockers
Definition
propranolol, pindolol, nadolol, timolol
MOA - block B-1 R in heart (DEC HR, contractility), block B-2 R in airway (bronchoconstriction - dyspnea, nonprod cough, chest tightness, tachypnea, diaphoresis, wheezing); contraindic in asthma & COPD
SE - arrhythmia (bc of DEC conduction thru AV node)
Term
"BEAM" of beta-1 blockers
Definition
betaxolol
esmolol - most rapid onset, SA; arrhythmia - IV
atenolol, acebutolol
metoprolol - severe CNS effects (insomnia, vivid dreams, nightmares) bc crosses BBB
Term
scabies tx
Definition
permethrin cream applied neck down to toes
Sx: extreme pruritis, papular rash in webs of fingers, groin, nipples, knees, axillary folds
Term
antag ALD-R, block channels reabsorp Na into blood, excretion of K into urine
Definition
K sparing diuretic - spironolactone, eplerenone
SE - hyperkalemia (diarrhea, mm cramps, DEC DTRs), hyponatremia
Spironolactone - antag androgen-R --> use to tx hirsutism (PCOS) & hyperALDism (Conn syndrome)
SE - gynecomastia
Term
inhib Na/Cl transporters distal convoluted tubule --> DEC NaCl reabsorp into blood --> INC Ca reabsorp
Definition
thiazide diuretics - HCTZ, chlorthalidone
SE - hypoNa, allergic rxn, hyperglycemia, hyperuricemia, hyperCa, hyperlipidemia
Term
inhib Na/K/2Cl transporter in thick asc loop Henle --> higher Na in urine & body responds by pumping K into urine (to maintain serum Na levels)
Definition
loop diuretics - furosemide, bumetanide
SE - hypoK+ metabolic acidosis, ototoxcity, allergic rxn, hyperuricemia (gout), hypoMg
Term
male kids, deleted dystrophin gene (no fxn'l dystrophin), Gower's sign (use hands to get up fr floor), calf mm hypertrophy (pseodohypertrophy - mm rep by fat), INC serum CPK
Definition
Duchenne's muscular dystrophy
Dx - mm bx
Tx - corticosteroids, PT
Term
similar to Duchenne but less severe, insufficient dystrophin
Definition
Becker's muscular dystrophy
Term
pneumocystis jiroveci pneumonia Tx; fever, dry cough, tachypnea, INC LDH, CXR - bilat diffuse infiltrates
Definition
TMP/SMX (or dapsone)
HIV, CD4 <250
Term
cyrptococcus tx (CD4 <50)
Definition
amphotericin
Term
disseminated mycobacterium avium complex (HIV, CD$ <50)
Definition
azithromycin
Term
>30, bone marrow reacts w/ myeloperoxidase & sudan black, auer rods
Definition
AML
Term
short stature, round face, dental hypoplasia, shortened 4th/5th metacarpal, HYPOCa & HYPERphosphatemia
Definition
pseudohypoparathyroidism - genetic mut lead to end-rogan defect/resis to PTH (normally INC renal Ca reabsorp, DEC kidney reabsorp of phosphate, INC bone resorp, renal conversion of vit D to active form)
Term
malig prolif plasma cells, overabundant monoclonal paraprotein (M protein); bone pain (lumbar), pathologic fxs, punched-out lesions skulls, vertebrae, ribs, pelvis
Definition
multiple myeloma (MM) - monoclonal paraprotein (M protein), urine monoclonal protein (Bence Jones), hyperCa (stones, bones abd groans, psychic moans), low PTH, normal phosphate
Tx - chemotherapy
Term
Hypercalcemia, hypophosphatemia, low PTH
Definition
Parathyroid hormone-related peptide (PTHrP) - cause hyperCa of malignancy (squamous cell CA lung, renal cell CA, breast CA)
mimics primary hyperthyroidism --> diffuse bone resorp, DEC renal excretion Ca
Tx - underlying malig, biphosphonate (DEC resorp of Ca fr bone)
Term
defective 3rd/4th pharyngeal POUCH --> hypoplasia thymus & parathyroid, hypoparathyroidism, congenital heart dz, craniofacial dysmorphology
Definition
DiGeorge syndrome
Term
HA, tenderness on scalp (temporal), jaw claudication, visual abnorm
Definition
giant cell arteritis - >50 yo, F
Def Dx - temporal aa Bx
Tx - high dose prednisone (can tx b4 bx bc may lead to irreversible blindness!)
Term
MC HA, mm contracture caused by stress, bilat, frontal/occipital, constant pressure, "vise-like" or "band"
Definition
tension HA
Tx - NSAID
Term
uni/bilat HA, pulsating, NV, photophobia, phonobia, assoc w/ aura
Definition
migraine HA
Term
uni HA, periorbital, clusters, ipsi lacrimation
Definition
cluster HA
Tx - can use O2
Term
hierarchy of evidence (most robust of clinical evidence to least)
Definition
meta-analysis > systemic reviews > randomized control trials > observational studies (cohort, case-control, cross-sectional) > case reports
Term
Dx metabolic acidosis (AGMA vs NAGMA)
Definition
1) look at pH <7.4 = acidemia
2) check PCO2, if <40 = metabolic acidosis (HCO3 will be <23)
3) check anion gap = Na - (Cl + HCO3), if >12 = anion gap metabolic acidosis (AGMA); <12 = non-anion gap met acidosis
AGMA DDx = MUDPILES... methanol, uremia (chronic renal failure), DKA, propylene glucol or paraldehyde, INH or iron, lactic acidosis, ethylene glycol, salicylates
NAGMA DDx = diarrhea, renal tubular acidosis, ureteroenteric fistula, caribonic anhydrase inhibitor use
Term
high cortisol --> wt gain, acne, moon facies, central obesity, abd striae, HTN, buffalo hump, easy bruising, osteoporosis, depression, emotinoal lability; hyperglycemia!; F - irreg menses, hirsutism, M - DEC libido, ED; Lab - elev 24-h urinary free cortisol, glucose, low K
Definition
Cushing's syndrome
Causes - excess pituitary/ectopic ACTH, primary adrenal hypercorticism, exogenous GCs (MCC; like prednisone); Cushing's dz - excess ACTH fr pituitary adenoma of basophilic cells, ACTH-secreting small cell CA of lung or carcinoid tumor
Term
bird/bat droppings, Mississippi and Ohio River Valleys, lung & systemic infections
Definition
Histoplasma capsulatum - macrophages filled w/ multiple small, round histoplasma
Term
mononucleosis-like dz in immunocompetent & congenital infxn, "owl eye" Cowdry A inclusions
Definition
Cytomegalovirus - also causes GI infxn, encephalopathy, retinitis (in HIV pts)
Term
transmitted by water sources (shower heads, ACs), Gram neg rod, grows on charcoal yeast extract, urine Ag detection
Definition
Legionella pneumophila
Tx - erythromycin
Term
prothetic heart valve w/ new murmur & presentation of hemolysis (pallor, jaundice, indirect hyperbilirubinemia, HSM, INC LDH, DEC haptoglobin)
Definition
microangiopathic/macroangiopathic hemolytic anemia - forms schistocytes
chronic traumatic hemolysis leads to Fe deficiency anemia d/t chronic hemoglobinuria
Term
RBC stacked like roll of coins
Definition
rouleaux formation = Multiple myeloma
d/t protein-RBC interactions that cause RBC aggregation
Term
remnant nuclear material in RBCs that should've been removed by spleen
Definition
Howell-Jolly bodies = hyposplenia/asplenia
Term
large surface area to vol ratio --> DEC concen Hgb; hemoglobinized central area, outer border dark red, pallor ring separating them
Definition
"bulls eye" or target cells, codocytes = Fe defic anemia & hemoglobinopathies (INC cell membrane) ie liver failure & splenectomy
Term
MCV >100
Definition
macrocytes = fol/B12 defic, alcoholism, chronic liver failure, myelodysplastic syndromes, hypothyroidism
Term
abd pain, fever, hepatomegaly, NV, jaundice; spread thru water/food contaminated w/ feces; outbreaks in Middle East, S America, Africa, India, China
Definition
Hepatitis E
Dx - anti-HEV IgM Abs, stool microscopy
Tx - self-limiting, not become chronic
Term
paresthesia in ulnar nn distrib, (+) Adson's test (weak/absent pulse while moving UE thru ROM & pt rotates head toward involved side while taking deep inspiration and holding it)
Definition
Thoracic outlet syndrome - compression of brachial plexus, subclavian a/v
Term
numbness median nn distrib (thumb, index, middle, radial half of ring finger); (+) Tinel's, Phalen's, & Reverse Phalen's
Definition
carpal tunnel syndrome
Term
long standing RA w/ gen edema, nephrotic syndrome; congo red stain shows apple-green birefringence
Definition
renal amyloidosis - seen in long standing infections in dev countries (TB), causes nephrotic syndrome; industrial countries - RA
Renal & hepatic involvement MC
Term
Kimmelstiel-Wilson nodules on bx
Definition
diabetic nephropathy
Term
"tram-track" pattern on bx, low serum C3 levels
Definition
membranoproliferative nephropathy
Term
fusion of foot processes
Definition
minimal change dz = MCC nephrotic syndrome in kids
Term
viscerosomatic - T1-T4
Definition
thyroid, head/neck
Term
viscerosomatic - T5-T9
Definition
liver, gallbladder, spleen
Term
viscerosomatic - T10-T11
Definition
adrenals, kidney, middle GI/GU tract
Term
viscerosomatic - T12-L1
Definition
lower GI/GU tract
Term
viscerosomatic - L1-L2
Definition
uterus, cervix, penis, prostate, LE
Term
MCC death in women...
Definition
1-34 yo unintentional injury
35-74 CA
65+ cardiovascular
Term
ST depression >1mm in 2+ leads; chest pain that began on exertion, PMH COPD, smoking, HTN, INC HR, BP, obese, lungs CTA, distant heart sounds; chest pain, ST depression, + troponins
Definition
NSTEMI - subendocardial infarct
Cause - INC in partial occlusion of coronary aa (newly ruptured plaque w/ partially occluding thrombosis), or INC O2 demand in setting of partial coronary aa occlusion (person w/ atherosclerosis who runs a marathon)
Term
diffuse ST elev, inspiratory chest pain relieved by leaning forward, friction rub
Definition
pericarditis
Term
chest pain, ST depressions without enzymatic evidence (troponins)
Definition
unstable angina
Term
crushing substernal chest pain, ST elev
Definition
STEMI
atypical presentation - diabetics, females
Term
autoAbs vs nicotinic post-synaptic acetycholine-R
Definition
myasthenia gravis - asymmetric mm weakness in ext, dysarhtria, dysphagia, cranial mm weakness; repeated use worsens, improves w/ rest; visual disturb, ptosis
Note - nicotinic-R only on skeletal mm, muscarinic-R on cardiac/smooth mm & glands
Term
demyelination of white matter
Definition
multiple sclerosis
Term
OMM - stretching soft tissues in multiple vectors technique; employs separation of origin & insertion & deep pressure
Definition
soft tissue technique
Term
painless hematuria, flank pain, flank mass; 50-70s, wt loss anemia
Definition
renal cell CA - 95% kidney neoplasm
cigarette smoking INC risk
assoc w/ von-Hippel Lindau dz (mut chrom 3)
Can invade vena cava, ascites, LE edema, hematogenous spread
Dx - CT/MRI, CXR to r/o tumor into hilar LN, Histo - clear cell ca
Tx - surg** pref
Term
dilation of renal tubules, common w/ age
Definition
benign renal cyst
Term
hemoglobinuria (dark urine) at first morning void, improves thruout day
Definition
paroxysmal nocturnal hemoglobinuria, rare
nocturnal hemolysis, hemoglobinuria
Term
hypomenorrhea or secondary amenorrhea w/ infertility; multiple D&Cs
Definition
Asherman syndrome - intrauterine adhesions (or synechiae), defective basal layer (thus endometrium can't regenerate & prolif)
etiology - direct endometrial trauma (inflamm, scarring, adhesion)
Term
hyperplastic overgrowth of endometrial glands, common cause of irreg menses bleeding, intermenstrual spotting, > 40s
Definition
endometrial polyp
risk - obesity, HTN
histo - benign, rarely undergo malig
Term
leiomyoma
Definition
aka uterine fibroid - MC uterine tumor
leiomyomata - benign, rarely undergo malig
menorrhagia (INC menses bleed), secondary dysmenorrhea; hormone sensitive tumors
Term
dysmenorrhea, dysparenunia, dyschezia (painful bowel movement); pains starts b4 menses & ceases once menses stops*** hallmark
Definition
endometriosis - cause infertility fr pelvic adhesions
Term
islands w/in myometrium (endometrial glands & stroma w/in myometrium); menorrhagia, dysmenorrhea, symmetric enlarged uterus
Definition
adenomyosis
Term
hyperplasia w/ atypia
Definition
endometrial hyperplasia (precursor to endometrial CA) -- overgrowth of endometrial sromal or glandular cells
cause - unooposed estrogen (absence of proges)
risk factors - chronic anovulation (PCOS), obesity, estrogen-prod tumors (granulosa-theca cell tumors), exogenous estrogens
Term
relay info fr dorsal column to cerebrum, regulate consciousness
Definition
thalamus
Term
regulate somatic response to heat
Definition
ant hypothalamus
Term
interpret somatosensory information
Definition
primary senosry cortex in postcentral gyrus; homunculus w/ distal organs (foot/leg) medially & prox organs (face) laterally
Term
forming memories
Definition
hippocampus; lesions here cause anterograde amnesia (inability to form new memories); spatial navigation
Term
storing/releasing ADH
Definition
post pituitary - contains axons fr hypothalamic supraoptic (ADH) & paraventricular (oxytocin) nuclei
Term
receives input fr optic nn (CNII) and relays it to visual cortex
Definition
lateral geniculate nucleus (of thalamus)
lesions --> homonymous visual defect
Term
receive input fr basal ganglia (substantia nigra & globus pallidus) & relay it to motor cortex and help in planning movements
Definition
ventral ant & lat nuclei (motor input)
Term
receives auditory input fr inferior colliculus (midbrain) & superior olive and relays it to auditory cortex in temporal lobe
Definition
medial geniculate nucleus (hearing)
lesion affects ability to localize sound
Term
receives somatosensory info (touch, pain, temp & proprioception) fr body via spinothalamic and dorsal columns & relays it to senosry homunculus
Definition
ventral post lat nucleus (somatosensory info)
subdivision of ventral post nuc
lesions cause extreme sensitivity of body to minimally painful stimuli or pain fr non-noxious stimmuli
Term
receives somatosensory info fr face & relays it to sensory homunculus
Definition
ventral post medial nucleus (facial somatosensory infO)
lesions prod hypersensitivity to pain in face
Term
receives input fr multiple somatosensory regions & plays role in regulating attention
Definition
pulvinar nucleus (attention)
lesions prod contralat hemispatial neglect & attention deficits
Term
Chapman - lat humerus
Definition
eyes (ant point)
Term
Chapman - first rib
Definition
sinuses
Term
Chapman - 1st IC space
Definition
tonsils
Term
Chapman - 2nd rib
Definition
tongue
Term
Chapman - clavicles just lateral to where they cross the ribs
Definition
middle ear
Term
zolpidem
Definition
nonbenzo hypnotic
SE - abnormal sleep behaviors (binge eating, walking, phone calls, no recollection)
Term
ziprasidone
Definition
atypical antipsychotic
SE - QT prolongation --> torsades de pointes (PVT); Tx - magnesium
Term
temazepam
Definition
benzo
Tx - insomnia
metab "Outside the Liver" = oxazepam, temazepam, lorazepam... safer to use in liver failure
Term
eszopiclone
Definition
nonbenzo hypnotic
Use - sleep initiation & sleep maintenance (staying aslp) disorder
Term
triazolam
Definition
benzo
Tx - insomnia, fast acting, shortest duration
Term
acute attacks abd pain, precip by smoking, stress, rxs, INC aminolevulinic acid & porphobilinogen, females
Definition
acute intermittent porphyria - porphobilinogen deaminase deficiency
Term
tachycardia, paroxysmal HTN, palpitations, diaphoress, INC plasma/urine catcholamines
Definition
pheochromocytoma
tx - phenoxybenazmine
Term
flushing, abd pain, diarrhea, INC urinary 5-HIAA
Definition
carcinoid tumor
Term
normal stages female sex development
Definition
thelarche (breast), pubarche (pubic hair), growth spurt, adrenarche (INC activity adrenals), menarche (1st menses)
Term
PG analog used to guard vs NSAID-induced gastric/duodenal injury
Definition
misoprostol
SE - diarrhea
DO NOT use in IBD (cause flares) or pregos (cause uterine contractions)
Term
cross-links to form polymer that binds to gastric mucosa
Definition
sucralfate - binds to mucosal ulcers/erosions to prevent further injury
Use - multi-rx regimen for H pylori ulcer (w/ amoxicillin, clarithromycin, PPI)
Term
antag GI muscarinic-R
Definition
anti-spasmodic (anti-cholinergic)= dicyclomine, hyoscamine
Use - IBS
SE - anorexia, blurry vision, constipation, confusion, dry momuth, sedation, urinary retention
Term
direct stim HI motilin-R
Definition
macrolide = erythromycin
Use - DEC gastric motility, gastroparesis (autonomic neorpathy secondary to DM, neuro dz, infections, amyloidosis, vagus nn injury, anorexia)
Term
anti-transglutaminase, gliadin, endomysium Abs
Definition
celia dz
Term
anti-topoisomerase Abs
Definition
systemic sclerosis
Term
anti-mitochondrial Abs
Definition
primary biliary cirrhosis
Term
anti-ds DNA
Definition
autoimmune dzs (esp SLE)
Term
anti-NT cytoplasmic
Definition
Wegener's granulomatosis
Term
rash followed by regional LAD, exposed to cats or fleas
Definition
Bartonella henselae = cat-stratch dz
Term
hunters eating rabbits, squirrels
Definition
Francisella tularens
Term
cate feces, infected meat, transmitted mother to fetus, LAD, mm pain, ocular, CNS dz
Definition
Toxoplasmosis gondii
Term
fever, chills, HA, LAD, found in rodents
Definition
Yersinia pestis
Term
bilat loss pain and temp, cape-like pattern
Definition
syringomyelia - affects ventral white commissure of spinothalamic tract
assoc w/ Arnold-Chiari malformation
Term
unsteady gait, DEC DTRs, loss proprioception, Argyll Robertson pupils
Definition
tabes dorsalis
Term
ipsi hemiparesis, loss proprioception & vibratory sense, contra loss pain & temp, flaccid paralysis
Definition
Brown-Sequard syndrome
Term
assymetrical mm weakness, leads to flaccid paralysis, absent DTR
Definition
poliomyelitis
Term
symmetrical, asc paralysis, absent DTRs
Definition
Guillian-Barre syndrome
Term
Charcot's triad: RUQ pain, fever, jaundice
leukocytosis, conjug hyperbilirubinemia, elev alk phosphatase, GGT
Definition
cholangitis - complication of choledolithiasis (gallstone dz)
Tx - IV abx, fluids, ERCP w/ sphincterotomy / stone removal
more serious - Reynold's pentad: Charcot's triad + hypoTN + AMS
Term
jaundice, pruritis, assoc w/ ulcerative cholitis
Definition
primary sclerosing cholangitis
Term
jaundice, fever, pruritis, xantholesmas/xanthomatas
Definition
primary biliary cirrhosis
Term
asymptomatic, may have RUQ pain & jaundice
Definition
choledocholithiasis (gallstone in CBD)
Term
afferent (sensory) limb & efferent (motor limb) of reflex are femoral nn
Definition
patellar reflex (L3-4) - contraction of quadriceps mm
Others: femoral nn - patellar DTR, tibial nn - achilles DTR
Term
femoral (afferent) - genitofemoral (efferent) reflex
Definition
cremasteric reflex (L1 reflex center) - stroke inner thigh --> elev strotum
Clinical - absent in testicular torsion
Term
afferent (sensory) limb & efferent (motor limb) are tibial nn
Definition
achilles DTR (S1-S2) - contraction gastrocnemius mm
Term
bulging pale, immobile tympanic membrane, loss of light reflex, DEC hearing
Definition
Otitis media - S pneumo (MC), H flu, M. catarrhalis
Tx - amoxicillin (PO)
Term
otitis externa tx
Definition
cirpofloxacin + hyrocortisone - ear suspension
Cause - P aeruginosa (MC), S epidermidis, S aureus; proteus & candida (esp w/ hearing aids)
Initial step - clean ear canal
Term
malig/necrotizing otitis externa tx
Definition
surgical debridement
oral metronidazole - anaerobes
Term
affected structures fr lateral impact to knee
Definition
ACL, MCL, lat meniscus = "unhappy triad"
Dx - MRI
Term
medial longitudinal fasciculus (MLF)
Definition
path that connects abducens & oculomotor nuc
lesion (MLF syndrome or internuclear opthalmoplegia) --> nystagmus of abducting eye
Tested in multiple sclerosis
Normal: look left, abducens (CN VI) stim ipsi (L) lat rectus to look left (ABduct), also sends axons & activ contralat oculomotor nn (CN III) so R eye looks left (ADduct) = both eyes gaze same direction
Paralysis of medial rectus mm of ADducting eye upon lat gaze & contralat nystagmus (of ABducting eye)
Term
hypermobile joints, retinal detachment, flattened bridge nose, flat cheekbones, cleft palate
Definition
Stickler syndrome
Term
marfanoid habitus, mental retardation, osteoporosis, lens subluxation, tight joints
Definition
homocystinuria
Term
cause of spontaneous abortions <12 wks gestation
Definition
half due to chromosomal anomalies of fetus - monosomy X (45,X) MC chromosomal abnorm - turner syndrome
most 1st trimester spont abortions - autosomal trisomy (21, 13, etc)
Term
second trimester pregnancy loss - maternal prob
Definition
maternal anatomic anomaly = bicornuate uterus (incomplete lateral fusion of mullerian ducts - communicating uterine cavities, single cervix - V shape) --> lack of room for dev fetus
Term
caudal regression syndrome (sacral agenesis)* pathognomotic for
Definition
maternal T1DM
Term
Exudative pleural effusion
Definition
cloudy, HIGH protein, LDH when compared to serum levels
Light's Criteria (1 or more = exudative):
1) pleural:serum protein ratio > 0.5
2) pleural:serum LDH >0.6
3) pleural LDH > 2/3 normal upper limit serum LDH
Cause - malignancy, collagen vasc dz, infection, trauma, pneumonia, pulm thromboembolism
Term
Transudative pleural effusion
Definition
DEC protein content & LDH compared to serum levels
Cause - CHF, nephrotic syndrome, thromboembolism, liver cirrhosis
Term
rxn to medication, rash, low-grade fever, acute renal failure (INC Cre), started new Rxs
Definition
Acute interstitial nephritis (AIN)
Term
PAS+ mesangial nodules
Definition
Kimmelstiel-Wilson nodules - pathognomotic* for diabetic nephropathy
Term
crescentic glomerular deposits
Definition
rapidly progressive glomerulonephritis (RPGN) - acute kidney failure
Cause - SLE, Wegener's granulomatosis, Goodpasture syndrome
Term
mesangial IgA deposits
Definition
IgA nephropathy or Berger's dz - MC GN worldwide
gross hematuria days after URI/GI infection
Term
weakness/paralysis thumb opposition, pronation, flexion of fingers, thenar atrophy**
Definition
median nn palsy
cause - carpal tunnel, supracondylar fracture distal humerus
Term
wrist drop
Definition
radial nn injry
cause - fractured midshaft humerous
Term
claw hand, radial deviation of wrist
Definition
ulnar nn palsy
cause - fractured medial epicondyle
Term
Wernicke encephalopathy - ataxia, opthalmoplegia, memory impairment
Korsakoff - anterograde/retrograde amnesia, confabulation
Definition
thiamine (B1) deficiency
Term
angular cheilitis (inflamm mouth corners), glossitis (inflamm tongue), seborrheic dermatitis
Definition
riboflavin (B2) deficiency
Term
pellagra (dermatitis, dementia, diarrhea, death)
Definition
niacin (B3) deficiency
Term
INC Fe & ferritin (stored Fe), DEC TIBC, INC transferrin saturation (serum Fe/TIBC, tan skin, fatigue, DEC libido, arthralgia
Definition
Hemochromatosis - INC aminotransferases
Tx - phlebotomy. if untx'd --> cirrhosis, hepatocellular CA
Term
>60, men, painless LAD, lymphocytosis, neutropenia, thrombocytopenia, anemia, splenomegaly, Bx - CD5 positive, smudge cells
Definition
CLL (chronic lymphocytic leukemia)
Term
kid: aniridia (absent iris), GU malformation, mental retardation, abd pain/mass, HTN, hemihypertrophy, hematuria
Definition
Wilms tumor (nephroblastoma) - MC renal malig in kids 3-4 yo, WAGR syndrome (Wilms tumor, Aniridia, GU malformation, mental Retardation)
Dx - US, f/u with abd/chest CT to assess mets
Tx - nephrectomy, chemo, radiation
Term
MRSA tx
Definition
IV vancomycin
Term
S aureus tx
Definition
IV nafcillin
Term
pseudomembranous colitis caused by C dieff & staph enterocolitis tx
Definition
oral vancomycin
Term
Gram + cocci, H flu, E coli, Proteus, Serratia, Klebsiella
Definition
IV cefoxitin - 2nd gen cephalosporin
Term
Gram + cocci, E coli, Proteus mirabalis, Klebsiella tx
Definition
IV cefazolin - 1st gen cephalosporin
Term
coffee-ground emesis & melena
Definition
Upper GI bleed - above ligament of Treitz
MCC - peptic ulcer dz
Dx - upper endoscopy
Tx - IV fluid
Term
running, standing tip-toes, walking up/down stairs with support, building tower 4+ blocks, recog names, 2-4 word sentences, cups, spoons, make believe, defiant behavior
Definition
24 mon
Term
TNF-alpha inhibitors
Definition
infliximab - monolonal Ab vs TNF-alpha
Use - RA, sporiasis, Crohn's, UC, ankylosing spondylitis
Etanercept - binds TNF-alpha & prevents interaction w/ R
**Check for TB before use
Term
reversibly inhibits cyclooxygenase
Definition
naproxen
Use - ankylosing spondylitis, osteoarthritis, RA, acute gout, dysmenorrhea, tendonitis/bursitis
SE - GI upset
Term
irreversibly inhibits cyclooxygenase
Definition
aspirin - ASA
Use - prevent stroke, MI, anti-platelet, anti-inflamm
SE - dyspepsia, erosive gastritis, peptic ulcers
DO NOT use in kids (Reye's)
Term
low cerum C3, IF - IgG & C3 granular pattern, lumpy bumpy on EM, occurs 1-3 wks after infection, asso cw/ Grp A strep
Definition
Poststreptococcal/postinfectious GN
Term
type II hypersensitivity in lungs/kidneys, hemoptysis prior to nephritic syndrome, IF - IgG & C3 in linear pattern in GBM
Definition
Goodpasture's syndrome
Term
nephritic syndrome, hearing loss
Definition
Alport's syndrome
Term
OMM technique that DEC sympathetic tone
Definition
rib raising
Term
INC bone turnover d/t INC osteoclasts & osteoblasts, bone pain, HA, skull deformities, fractures, INC alk phosphatase
Xray - mosaic pattern w/ alt areas of thickened bone and radioluscency
Definition
Paget's dz (osteitis deformans) - affects skull, femur, tibia, spine, pelvis
Etio - preceding paramyxovirus infection, elderly
Complications - hearing loss, high-output heart failure d/t INC formation AV shunts, osteosarcoma
Tx - symptomatic, biphosphate, calcitonin to slow osteoclastic resorp
Term
defective synthesis type I collagen, present in infancy/childhood w/ multiple fractures after minimal trauma, blue sclerae, hearing loss, dental imperfections
Definition
osteogenesis imperfecta (brittle bone dz) - audo dom
Term
replacement of medullary bone w/ fibrous tissue, spontaneous fractures causing bone pain, swelling, deformity at muliple sites
Definition
polyosteotic fibrous dysplasia
assoc w/ McCune-Albright syndrome - young girls; charac by precocious puberty, short stature, cafe au lait & Port of Main spots (irreg pigmented patches of skin)
Term
primary malignant tumor of bone; bone pain, swelling, fracture, INC alk phosphatase, xray - lift of periosteum by tumor (Codman triangle) and "sunburst pattern"
Definition
osteosarcoma - males, 10-20 yo
Term
hyperthermia, diaphoresis, "lead pipe" mmuscular rigidity, AMS, metabolic acidosis, autonomic dysfxn, myoglobinuria, low Fe, recently started antipsychotic (haloperidol)
Definition
Neuroleptic malignant syndrome - life-threatening occurs in first 10 days tx of high potency typical antipsychotic (haloperidol, fluphenazine)
Tx - stop med, IV fluids, if continues -- dantrolene, bromocriptine, amantadine (optional)
Term
AMS, hyperthermia, myoclonus, hyperreflexia, HTN, tachycardia, dilated pupils, tremor
Definition
serotonin syndrome
Term
hyperthermia after general anesthesia inhalants & succinylcholine
Definition
malignant hyperthermia - auto dom
Term
involuntary movement of ext, face, tongue, lips, trunk
Definition
tardive dyskinedia - occurs yrs after antipsychotic tx
Term
pruritis, jaundice, fatigue, wt loss, RUQ pain, fever, inflamm intrahepatic/extrahepatic bile ducts. Dx - cholangiography: bead-like pattern
INC aminotransferase, alk phosphatase, bilirubin
Definition
Primary sclerosing cholangitis
MC risk factor = ulcerative colitis
Tx - liver transplant
Term
high fever, black emesis (d/t GI bleed), jaundice, INC LFT, Councilman bodies (necrotic eosinophilic globules-viral hep)
Definition
Yellow fever - flavivirus and arbovirus, transmitted by Aedes mosquito (arthropod)
env, icosahedral, +ssRNA. reservoir: monkeys
Tx - self-limiting; live attenuated vaccine avail to travelers of S america & Africa
Term
autonomic insufficiency + Parkson-like Sx
Definition
Shy-Drager syndrome
Term
Lewy bodies, loss of dopaminergic neurons in substantia nigra & locus ceruleus, > 50, RESTING tremor ("pill-rolling" goes away when performs task, worsens w/ emotional stress), "masked face," bradykinesia, cogwheel rigidity (ratchet-like jerking when testing tone in UE while pt clenches opposite fist), micrographia (small handwriting)
Definition
Parkinson's dz
Term
tremor INC w/ activity, improved w/ alcohol
Definition
essential tremor
Term
<30, copper metab prob, secondary to ceruplasmin deficiency, yellow rings in cornea (Kayser-fleischer rings), parkinson-like sx, renal/liver dz, psych issues
Definition
Wilson's dz
Term
auto-Ab stim of TSH-R -- thyroid stim Ig (TSI) bind to TSH-R --> thyroid prod
Definition
Graves dz
females, mid age, HLA DR3 and B8, precip by stress, infection, excess iodine, childbirth.
opthalmopathy & exopthalmos (protruding eyes, eye mm weakness), pre-tibal myxedema (non-pitting edema), swelling/clubbing digits, diffuse goiter, thyroid scan - INC diffuse radioiode uptake
Tx - BB (DEC adrenergic effects & peripheral conversion), anti-thyroid (methimazole or PTU) - inhib thyroid hormone syn; if unresponsive to rxs --> ablation w/ thyroid hormone rep
Term
hyperthyroid sx, NO opthalmopathy, thyroid scan - DEC uptake iodine in thyroid
Definition
exogeneous admin thyroid hormone
Term
hyperthyroid sx, NO opthalmopathy, thyroid scan - INC uptake radioiodine in a specific area
Definition
thyroid adenoma - hot nodule (iodine upatke)
Term
wt gain, cold intolerance, fatigue, dry skin, constipation, hoarseness, bradycardia, INC TSH, low T3, T4
Definition
Hashimoto's thyroiditis - lymphocytic infiltration of thyroid gland
Term
pruritic, annular circle, tan patch w/ no crusting/scaling on chest
Definition
Tinea corporis... others: t pedis (feet), cruris (groin/jock itch), capitas (scalp), manuum (hand), faciale (face), barbae (beard) - monomorphic fungal infection cased by Microsporum, Trichophyton, Epidermophyton fungi. Very contagious.
Dx - + KOH stain
Tx - "-zazoles"
Term
patchy hypopigmentation
Definition
Tinea versicolor - caused by malassezia furfur yeast --> damage melanocytes. MC in hot, humid weather, after tanning
KOH stain - "spaghetti and meatballs"
Tx - tropical miconazole or selenium sulfide
Term
chronic hep B tx
Definition
interferon-alpha, anti-viral (lamivudine, adefovir)
HBIg & vaccine for post-exposure prophylaxis
Term
fever, NV, conj hyperbilirubinemia, elev aminotransferases, fecal-oral route, day-care setting
Definition
Hep A - incubation 28 days ave (15-50). Others: Hep B 120 days (60-150), Hep C 45 days (14-180)
Dx - IgM anti-HAV
Tx - remove fr daycare, supportive
Term
sympathetic innerv middle GI/GU: jejunum, ileum, asc colon, prox 2/3 tranverse; adrenals, kidneys, upper ureters, gonads
Definition
T10-11 (jejunum - 2/3 prox transverse; adrenals - upper ureter)
Term
sympathetic innerv lower GI/GU: distal 1/3 transverse, desc, sigmoid colon, rectum, lower ureter, bladder
Definition
T12-L2
Term
PRL-secreting pituitary adenoma tx
Definition
1st line - dopamine agonists (bromocriptine or cabergoline) - inhib PRL secretion, shrink tumor. if doesn't work - surg
Term
Ketoconazole
Definition
MOA - inhib ergosterol syn
Use - systemic mycoses (blastomyces, coccidiodes, histoplasma), superficial fungal infections (ringworm), Candida albicans (oral thrush)
SE - gynecomastia, DEC libido, hair loss (M), amenorrhea (F)
Immunocompetent w/ oral thrush - Tx: nystatin mouthwash
Term
onychomycosis tx (infection of nails)
Definition
terbinafine - inhib squalene epoxidase
Topical - tinea corporis, pedia, cruris
Term
anastrozole, letrozole
Definition
aromatase inhibitors
Use - postmenopausal w/ estrogen-R + breast CA
Term
flutamide
Definition
testosterone-R antag - bind/block testot-R
Use - prostate CA
SE - DEC libido, impotence
Term
hypocalcemia, INC phosphorous, lower limit of normal PTH, Chvostek's sign (facial nn tapping cause facial mm contraction), Trousseau's sign (BP cuff on arm causes carpopedal spasms), perioral parathesias, seizures, depression, anxiety
Definition
Primary hypoparathyroidism - MCC surg
secondary hyperparathyroidism - usually d/t renal failure
Term
High PTH, low Ca, assoc w/ skeletal abnorm, mental retardation
Definition
pseudohypoparathyroidism - kidney unresponsive to PTH
Term
Chapman - 4th IC space
Definition
lung dz
Term
Chapman - 6th IC space
Definition
L - liver, R - gallbladder
Term
Chapman - 7th IC space
Definition
L - spleen, R - pancreas
Term
Chapman - 8-10th IC space
Definition
small intestine
Term
Chapman - 1" superior, 1" lateral to umbilicus
Definition
kidneys
Term
competitive antagonists
Definition
INC concen req for Rx to prod half its maximal effect (EC50). Thus, addition of competitive antag DEC POTENCY of drug (shifts response curve to right)
ex. Naloxone - competitive antag at opiate-R.
Tx - opiate intoxication (pupil constriction, resp depression, coma)
Term
non-competitive antag
Definition
irreversibly binds, DEC number receptors for other drug to bind -- DEC EFFICACY of Rx (shifts response curve down)
Less effect, no matter how much drug is given
Term
1st line Tx for panic disorder
Definition
SSRI (citalopram, escitalopram, fluoxetine, paroxetine, sertraline, zimelidine)
2nd line tx - TCA
Term
buspirone
Definition
anxiolytic - general anxiety disorder
Term
profuse foul-smelling diarrhea after camping trip
Definition
Giardiasis - lasts up to 4 wks
Dx - stool exam/immunoassay
Tx - metronidazole
Term
spore-forming bacillus that causes 2 forms of self-limited gastroenteritides (vomiting & diarrheal); fried rice
Definition
B cereus
Term
NV, abd cramps, diarrhea w/in 6 h ingestion & resolve over 24 hrs
sugar and cream, custard, potato salad
Definition
S aureus - common cause food poisoning
Term
childhood diarrheal illness
Definition
rotavirus - small, encapsulated, short incubation, 4-7 days vomiting, watery diarrhea
usually asymptomatic in adults
Term
alpha-1 adrenoreceptor blockers
Definition
"-sin"... prazosin, terazosin, doxazoxin
MOA - cause vasodilation, DEC arterial pressure
Use - males w/ HTN + BPH
Term
beta adrenoceptor blockers
Definition
"-lol" propranolol
Use - HTN, angina, CHF
B-2 R blocker - contract bronchial smooth mm (INC airway resis). contraindicated in asthmatics
Term
inhibition of ACE
Definition
"-pril" (captopril, enalapril, lisinopril, fosinopril)
MOA - lower arteriolar resis by blocking Ang I --> II conversion, prevent breakdown bradykinin (SE: cough)
Use - HTN, prevent diabetic neprhopathy
Term
DEC sympathetic outflow fr vasomotor centers in brain
Definition
centrally acting sympathoplegic rxs (methyldopa, clonidine)
MOA - DEC HR, CO
Use - intractable HTN, gestational HTN
Clonidine - anxiety disorders, ADHD
Term
depletion body Na & DEC blood vol
Definition
thiazide diuretics
Use - HTN, edema, prevent Ca stone formation in kidneys (by INC Ca resorp at distal convoluted tubules)
Term
PGE2 agonist - used for cervical ripening, inducement of labor
Definition
Dinoprostone
Term
synthetic PGE1 that binds/stim PGE1-R, stim uterine contraction in postpartum hemorrhage or induced abortion
Definition
misoprostol
Term
cholinesterase inhibitor (indirect agonists bc do not directly bind to Ach-R, but prod INC stim of R)
Definition
neostigmine, pyridostigmine, drophonium, physostigmine
Tx - myasthenia gravis, antitode to curare poisoning
Term
bind/block progesterone-R
Definition
progesterone antag - Mifepristone (RU 486) - abortifacient
Progesterone - responsible for stim endometrial glandular secretions, spiral aa development, DEC myometrial excitability, uterine smooth mm relaxation, prod thick cervical mucus
Term
z score
Definition
measure of how far above/below mean value in terms of std deviation
Term
t score
Definition
used when population parameters are estimates rather than known values (common & effectively replace z scores)
Term
hereditary spherocytosis dx test
Definition
osmotic fragility test. prone to excessive lysis in hypotonic soln
Hereditary spherocytosis - RBC membrane defect (DEC spectrin)
Small RBC, central pallor, macrophages destroy these cells (splenomegaly), hemolytic anemia, hyperbilirubinemia
Complication - cholelithiasis
Term
leukemia, aplastic anemia, multiple myeloma, other bone dz dx test
Definition
bone marrow bx
Term
sickle cell dz, thalassemia dx test
Definition
hemoglobin electrophoresis
Term
vitB12 deficiency dx test to see if pt has pernicious anemia
Definition
Schilling test
Term
low MCV, INC serum Fe, ferritin, normal TIBC, low MCHC, ringed sideroblasts
Definition
sideroblastic anemia
Term
induced by infection, rxs, fava beans
Heinz bodies, bite cells
Definition
G6PD deficiency - result in hemolytic anemia
Term
crescent shaped RBC, acute pain episodes
Definition
sickle cell anemia
Term
DEC reticulocytes & pancytopenia, smear has abnorm morphology (hypocellularity)
Definition
aplastic anemia
Term
bilat lower quadrant anopia
Definition
lesion of dorsal optic radiation tract on opp side of absent visual field
Term
right upper quadrant anopia
Definition
Meyer's loop lesion ("pie in the sky")
Term
Chapman - ant iliotibial band
Definition
colon
Term
Chapman - 2" sup and 1" lat to umbilicus
Definition
adrenals (ant pt)
Term
Chapman - over lesser trochanter
Definition
rectum (ant pt)
Term
Chapman - lat/post margin iliotibial band
Definition
prostate
Term
indep risk factors for pyelonephritis
Definition
freq sex, new partner, UTI in prev 12 mon, hx of UTI, diabetes, incontinence
+ leukocyte esterase, nitrites, WBC casts
Tx - FQs
Term
oral squamous cell CA
Definition
90% of head/neck CA are squamomus cell CA and occur in oral cavity
Mid-age men, chronically smoke, consume EtOH
MC on ventral surface tongue, floor of mouth, lower lip, soft palate, gingiva
early - hard, raised, pearly plaue or verrucous areas of mucosal thickening w/ irregular borders
as they grow --> protrude, become ulcerated w/ irregular rolled borders
Term
nutmeg liver pattern
Definition
chronic hepatic congestion - R sided heart failure; subsequent pigmentation around central vv
Term
regenerative nodules of hepatocytes
Definition
cirrhosis
Term
fat accum in hepatocytes
Definition
fatty liver, occurs after acute alcohol ingestion
Term
chronic inflammatory infiltration (liver)
Definition
hepatitis
Term
disorder of excretion of conjugated bilirubin. INC total & conjugated (direct) bilirubin, black liver, granular pigment in hepatocytes
Definition
Dubin-Johnson syndrome

Rotor syndrome - similar, but without pigment
Term
autoimmune demyelination of peripheral nn. progressive asc neuropathy; back pain, chewing, speaking difficulties, lasts 4 wks, preceded by resp/GI infection
Definition
Guillian-Barre
preceded by Campylobacter jejuni - comma shaped non-lactose-fermenting, oxidase-positive, gram neg bacillus
Spinal tap - INC CSF protein
Term
Gram neg, non-lactose fermenting, oxidase neg bacillus
Definition
Proteus mirabilis
Term
Gram neg, lactose fermenting bacillus
Definition
Klebsiella, Enterobacter, E coli
Term
Gram pos, coagulase-pos coccus
Definition
S aureus
Term
Gram pos, coagulase-neg coccus
Definition
Staph epidermidis, saprophyticus
Term
Pellagra (diarrhea, dermatitis, dementia, death)
Definition
caused by niacin (B3) defic
tryptophan is building block that makes niacin & serotonin
carcinoid syndrome cause exaggerated serotonin rel & tryptophan will be used up --> causing niacin deficiency
Term
vitamin that hydroxylates proline & lysin to make triple helical structure of collagen
Definition
vit C (ascorbic acid)
4 types of collage:
Type 1 - skin/bones, 2 - connective tissue, 3 - aa/vv, 4 - basement membrane
Vit C defic = scurvy (swollen gums, bruising, anemia, poor wound healing)
Term
thiamine (B1) deficiency
Definition
Beriberi - malnourished alcoholics
Thiamine - frees energy fr glucose; thus Sx include lethargy & fatigue
Affects nervous & cardiac sys
Dry beriberi - inflamm of nn (polyneuritis) & mm wasting
Wet beriberi - high output cardiac failure (dilated cardiomyopathy) & myxedema
Term
bleeding into joints, soft tissue and mm, esp knees, elbows, ankles, shoulders, hips, prolonged aPTT
Definition
x-linked recess, defective prod coag factors VIII (hemophilia A) and IX (hemophilia B)
Term
Protein C
Definition
vit-K dep antithrombotic factor
protein C defic = hypercoagulability, thrombosis
Term
platelet defects
Definition
von Willebrand dz, Glanzmann's thrombasthenia
bleeding abnorm, mostly at mucosal sites
Term
Factor V
Definition
inactivated by activated protein C
defective factor V (Factor V leiden mut) = resis to inactivation by protein C = hypercoagulability, thrombosis
Term
glycogen IIB IIIa receptors
Definition
platelet aggregation
defect in IIB IIIa-R (Glanzmann's thromasthenia) = failure of platelet plugs = excess bleeding/bruising, esp at mumcosal sites
Term
hemorrhagic shock
Definition
- afferent/efferent renal arterioles constrict = DEC GFR, RBF
- INC sympathetic nervous activity
activ renin-ang-ALD pathway (in response to low arterial pressure)
Note: at low levels, Ang II vasoconstricts efferent arteriole (DEC blood flow & INC GFR). Ang II acts on zona glomerulosa of adrenal cortex to stim ALD --> INC Na (and water) resorp in late nephron, INC blood vol
Term
Definition
prod by kidney
local vasodilators
Term
Rx to loosen mucus in CF pt
Definition
N-acetylcysteine
Also used as antidote for acetominophen overdose
Term
selective alpha-1 adrenergic agonist used as decongestant
Definition
phenylephrine
MOA - vasoconstriction, DEC fluid secretions
Term
DEC swelling & inflamm of air spaces by inhib syn of cytokines & other pro-inflamm mediators
Definition
beclomethasone
Use - control chronic asthma
Term
inhib lipoxygenase/LOX activity
Definition
antileukotriene (zileuton - 5-LOX inhibitor)
Use - asthma
Term
PGE2
Definition
DEC smooth mm in bronchi & vessels tone
INC smooth mm tone in uterus (cause contractions)
Term
PGE1
Definition
similar to PGE1
Use - maintain PDA
Term
prostacyclin (PGI2)
Definition
DEC all smooth mm tone & platelet aggreg
Use - pulm HTN, prevent platelets fr clumping in dialysis machines
Term
PGF2 alpha
Definition
INC uterine & bronchial tone
Use - nonasthmatic pts w/ obstetric hemorrhage
Term
TXA2
Definition
INC smooth mm tone (vascular, uterine, bronchial)
INC platelet aggreg
Term
Corticosteroids
Definition
inhib phospolipase A2 & COX
Phospholipase A2 - rel arachidonic acid fr phospholipids. Arachidonic acid prod PGs (by cycloxygenase) & leukotrienes (by lipoxygenase)
Term
thienopyridines
Definition
clopidogrel, ticlopidine, prasugrel
MOA - inhib ADP receptors, prevent platelet recruitment to vasc injury site
Use - prevent MI/stroke, use w/ aspirin
Term
Left sided heart failure (DEC LV contractility)
Definition
pulm vasc congestion w/ pulm edema (hemosiderin-laden macrophages)
dyspnea on exertion, orthopnea, tachycardia
Term
R sided heart failure
Definition
Cause - INC venous pressure & congestion in hepatic and GI venous circ
anasarca (gen edema), ascites
Note: MCC is L sided HF so pts present w/ mix sx
Term
cyclosporine, tacrolimus (FK-506)
Definition
immunosuppressants to prevent organ rejection
MOA - suppress T cells by inhib calcineurin leading to inhib of IL-2 (stim T cell prolif)
Term
Inhib IL-4
Definition
suppress IgE & IgG
Term
Inhib IL-5
Definition
suppress IgA
Term
Inhib IL-3
Definition
suppress stem cells
Term
block pancreatic lypase
Definition
Orlistat (anti-obestity rx)
less TG absorbed, along w/ fat sol vitamins
SE: steatorrhea
Term
lipoprotein lipase deficiency (normally degrades TGs in protein carriers ie chylomicrons & VLDL)
Definition
hyperTRIG... xanthomas (fatty plaques) on skin, atheromatous plaques assoc w/ CV dz
Term
hepatic triglyceride lipase
Definition
degrads TRIG in remaining IDL (intermediate density lipoprotein) to LDL
Term
lecithin-cholesterol acyltransferase
Definition
converts free cholesterol into cholesterol ester... when added to nascent HDL = mature HDL
Term
high Fe, ferritin, normal/DEC/INC TIBC
Definition
sideroblastic anemia - ringed sideroblasts on smear
Tx - pyridoxine (B6)
Term
infant - petechiae, cerebral calcif, hearing loss, visual loss, seizures, large intranuclear inclusion ("owl's eye")
Definition
congenital CMV
Term
infant - intracranial calcif, chorioretinitis, hydrocephalus
Definition
congenital toxoplasma gondii
Term
infant - Hutchinson's teeth, interstitial keratitis, rash
Definition
congenital syphillis
Term
infant - cataracts, hearing loss, cardiac defect
Definition
congenital rubella
Term
infant - skin lesions, intranuc viral inclusions (Cowdry A inclusions) - small pink deposits surrounded by clear halo
Definition
congenital HSV
Term
Rx SE: crystal deposit in renal tubules --> INC serum BUN & creatinine
Definition
acyclovir - needle shaped crystals
ethylene glycol (antifreeze) - Ca oxalate
Term
Rxs that cause acute interstitial nephritis (allergic rxn)
Definition
PCN, sulfonamides, NSAIDs, diuretics, rifampin, INH
fever, rash, azotemia, hematuria, eosinophils in urine
Term
used concurrently w/ NSAIDs to reduce incidence of ulcers
Definition
misoprostol (PGE1 analog)
MOA - inhib gastric acid secretion, protect GI mucosa; also prod uterine contractions
Term
Ondansetron
Definition
antag serotonin 5-HT3-R
prevent NV
Term
Metoclopramide
Definition
stim upper GI tract motility by sensitizing upper GI to respond to Ach
antag dopamine-R --> anti-emetic effects
Use - diabetic gastroparesis, GERD, prevent NV
Term
Sulfasalazine
Definition
inhib PG syn
Use - ulcerative colitis, RA
Term
Infliximab
Definition
TNF alpha inhibitor
Use - Crohn's dz, psoriasis, RA, alkylosing spondylitis, UC
Term
"double-bubble" sign on radiography
Definition
intestinal atresia
Term
drains ovaries and testes
Definition
para-aortic LN
Clinical - these LN routinely removed/examined in staging of OVCA and testicular CA
Term
drain ext genitalia, anal canal below dentate line, gluteal region, inferior abd wall, penis
Definition
superficial inguinal LN - run parallel/distal to inguinal ligament
Clinical - vulvar CA, injury to foot, groin, ext genitalia
Term
drain inguinal LN, urethra, bladder fundus, upper vagina, cervix, prostate
Definition
external iliac LN - lie along ext iliac BV
Clinical - cervical CA, prostate CA
Term
drain upper vagina
Definition
internal iliac LN - surrounds internal iliac aa & hypogastric aa
Term
serous/bloody nipple discharge - straw colored, peri/postmenopausal
Definition
intraductal papilloma - benign, but multiple is premalignant
Tx - duct resection*
Term
MC non-invasive breast CA, confined to duct, precursor of invasive breast CA/intraductal CA
Definition
ductal carcinoma in situ (DCIS)
Tx - lumpectomy vs mastectomy +/- radiation
Tamoxifen after surg of estrogen-R positive DCIS
Term
incidental finding on breast bx, asymptomatic, not precursor of intraductal invasive breast CA, INC risk invasive breast CA in either/both breasts
Definition
lobular carcinoma in situ
Tx - monitor for invasive CA
Term
MC type invasive breast CA, lump, nipple retraction, microcalcif on mammography
Definition
invasive ductal carcinoma
Tx - excision +/ chemo, radiation, tamoxifen
Term
pre-menopausal, lumpiness, premenstrual TENDERNESS and swelling
Definition
Fibrocystic dz
Dx FNA prior to Tx
Tx - acetaminophen, NSAIDs
Term
absolute bioavailability eqn
Definition
F = absolute bioavailability
AUC = area under the curve
PO = oral, IV
F = (AUC-PO/Dose-PO) / (AUC-IV/Dose-IV)
Term
DEC activity hepatic uridine-diphosphate-glucorunosyltransferase (UGT); lab - unconjugated hyperbilirubinemia, asymtompatic, benign
Definition
Gilbert's syndrome - DEC bilirubin uptake by hepatocytes
Tx - none
Term
hepatic glucoronosyltransferase deficiency, rare & severe condition, lab - unconj hyperbilirubinemia
Definition
Crigler-Naijar
Type 1 - most severe, death at young age
Type 2 - less severe, responds to phenobarbital (bilirubin DEC in Type II, but not Type I)
Term
Benztropine
Definition
anti-cholinergic
Use - Parksinson's - DEC tremors/rigidity
NO effect on bradykinesia (caused by DEC dopamine)
SE - dry mouth, urinary retention, pupillary dilation
Term
Bromocriptine, pramipexole, ropinirole, apomorphine
Definition
partial dopamine (D2)-R agonist
MOA - restore normal balance of dopamine/Ach
SE - NV
Normally dopamine blocks GABA-ergic activity on nigrostriatal pathway (dopamine inhib inhibitory neurons -- allow normal movement)
Term
levodopa / carbidopa
Definition
dopamine precursor-crosses BBB / inhib dopa decarboxylase (breaks down dopamine in periphery)
SE - hallucinations, dyskinesias
"on-off" phenomena:
"off" pts cannot initiate movement (akinesia) followed by "on" states - improved ability to move but assoc w/ dyskinesias (chorea, tics, tremors)
Txs - bradykinesia & rigidity, less effect on tremors
Term
selegiline
Definition
MOA - inhib MAO B (normally breaks down dopamine)
NOT at risk for tyramine induced HTN crises like those taking nonselective MAO inhibitors
Avoid SSRI bc can get serotonin syndrome (HA, tachycardia, tremors, high BP)
Term
insulin effects
Definition
binds to insulin-R w/ tyrosine kinase activity
adipose/skeletal mm - glucose uptake via GLUT-4 --> aerobic metab, ATP generation
Anabolic effects - INC glycogen syn/storage, INC TRIG syn/storage, INC protein syn by INC aa transport
INHIBITS lipolysis, glycogenolysis (breakdown of glycogen into glucose), hepatic glucose release, hepatic gluconeogenesis (syn of glucose fr CHO, fat, protein)
INC activity Na, K, ATPase pump (brings 2 K into intracel in exchange for 3 Na to go extracell) = INC cell uptake K+
Clinical - monitor K level when giving IV insulin in DKA pt to prevent hypokalemia
Term
Grey Turner's sign (ecchymoses in flank)
Cullen's sign (ecchymoses in periumbilical)
Fox sign (inguinal ecchymosis)
Definition
assoc w/ intra-abd hemorrhage and classic (but rare) to acute pancreatitis
Term
epigastric pain, NV, INC lipase, amylase, WBC count
Definition
Acute pancreatitis - rel of activ pancreatic enzymes
Lipase - generates FFA that chelate Ca salts present in pancreas & result in Ca deposits in retroperitoneum & hypocalcemia
MCC acute - gallstones, EtOH (2nd MCC acute, MCC chronic); other - trauma (kids), ERCP, autoimmune, mumps, scorpion
Dx - CT scan (help r/o gallstone pancreatitis), if show necrosis/abscess --> add abx
Tx - analgesics, IV fluids, bowel rest (don't use morphone bc can INC pr in sphincter of Oddi)
INC risk - hyperlipidemia, hypercalcemia
Term
irreversible inflamm on pancreasis, fibrosis w/ calcif, normal-elev lipase/amylase, steatorrhea, fat-sol vit malabsorp
Definition
chronic pancreatitis
Term
adenocarcinoma assoc w/ smoking & EtOH; abd pain, migratory thrombophlebitis, jaundice, palpable gallbladder, painless jaundice esp when at head of pancreas
Definition
pancreatic CA
Term
Lobar pneumonia
Definition
S pneumo
Consolidation d/t accum of fluid/exudate in air spaces
Dullness to percussion
Sudden onset, chills, high fever, blood sputum, pleuritic chest pain
Term
Bronchopneumonia
Definition
S aureus, H flu, Klebsiella
Patchy infiltrate 1 or + lobes
Term
Interstitial (or atypical) pneumonia, "walking pneumonia)
Definition
Mycoplasma pneumonia (MCC), chlamydophilia pneumonia, legionella penumonia, viruses (influenza, adenovirus, RSV)
Insidious onset (vs bacterial), young adults/kids
Low grade fever, dry cough, sore throat, pleuritic chest pain, malaise, myalgia, HA, pharyngitis
Prolonged period, CXR - diffuse, patchy inflamm of parenchyma in 1+ lobe
Tx - macrolide (azithromycin or doxycycliine)
Term
Pseudomonas aueroginosa pneumonia tx
Definition
antipseudomonal PCN OR cephalosporin
+ aminoglycoside
+ FQ OR macrolide
Term
ABducts / ADducts fingers
Definition
DAB - Dorsal (interossei) ABducts
PAD - Palmar (interossei) ADducts
Term
flex MCP jt, extend DIP & PIP
Definition
lumbricals
Term
ABducts / ADducts thumb
Definition
ABductor pollicus brevis / ADductor pollicus
Term
hx gardening, painful, ulcerated nodule
Definition
Sporotrichosis - caused by dimorphic fungus Sporothrix schenckii; resides in soil
Dx - culture fr skin/sputum, cigar shaped yeast
Tx - Itraconazole; if doesn't respond or is disseminated --> amphotericin B
Term
MCC sporadic encephalitis temporal lobe (sudden hemorrhagic necrosis)
fever, HA, psych Sx, seizures, vomiting
Definition
HSV-1 - dsDNA linear, env
use dynein via retrograde transport to trigeminal (access to brain) / dorsal root ganglia
Dx - MRI, CSF - INC lymphocytes, RBCs, protein, opening pressure, normal glucose
Tx - acyclovir, supportive care, manage ICP & seizures
Term
neonatal encephalitis & genital herpes
Definition
HSV-2
Term
antipsychotic that cause agranulocytosis (DEC WBC, eosinophils, basophils)
Definition
Clozapine - atypical (2nd gen) anti-psychotic
Check CBC
Term
atypical (2nd gen) antipsychotics
Definition
olanzapine, risperidone, ziprasidone, aripiprazole, clozapine (SE agranulocytosis)
SE - wt gain, T2DM, hyperPRL
MOA - antag dopamine-R w/ less potency that typical (1st gen), some antag at 5-HT-R (serotonin-R)
LESS EPS Sx: akathisia, acute dystonic rxn (mm contraction), tardive dyskinesia (involuntary/repetitive movements), parkinsonism
Term
olanzapine
Definition
SE wt gain, insulin resis, hyperLIPID
Term
aripiprazole
Definition
SE sedation, lower seizure, esp head trauma pts
Term
quetiapine
Definition
SE cataracts
Term
risperidone
Definition
SE EPS sx & hyperPRL of all atypicals
Term
Romana's sign (unilat painless periorbital swelling & conjunctivitis)
Definition
Chagas dz (American Trypanosomiasis) - caused by T cruzi protozoa; MC in Central/South America, transmit by feces of Reduviid (kissing) bug
Majority recover, 25% get meningoencephalitis (can lead to death), OR growth in:
1) heart (dilated cardiomyopathy)
2) colon (megacolon)
3) esophagus (dysphagia)
Dx - blood smear: S-shaped single cell w/ central nuc swimming around RBC
Tx - Nifurtimox
Term
nerve CT coverings
Definition
axon - endoneurium
grp of axons (fascicles) - perineurium
several fascicles (nerve) - epineirum = provides structure & nutrients (BV)
Clinical:
Guillian-Barre - endoneurium affected, axon de-myelinate
diabetic neuropathies - DEC blood flow in epineurium
trauma - pinched spinal nn, lacerating injuries - need to be re-attached at level of perineurium
Term
Dx test for demyelinating lesions (loss of oligodendrocytes)
Definition
MRI
Dx - multiple sclerosis: fatigue, mm weakness, impotence, intermittent paresthesia
Term
Causes of Hypoaldosteronism (DEC K excretion in urine)
Definition
Primary adrenal insufficiency (autoimmune destruc)
Rx - NSAIDs, K sparing diuretics, ACE inhibitors
Term
Causes of Hypokalemia (mm weakness, cardiac dysrhythmia - depressed T waves)
Definition
K losses fr diarrhea, diuretics, primary hyperaldosteronism (Conn's syndrome), conditions that INC K entry into cells ie Hyperinsulinemia (exogenous insulin or insulin-prod tumor), beta-adrenergic hyperactiity
Term
Causes of Hypermagnesia (neuromusc depression - absent DTR*, hypoTN, bradycardia - Mg acts as Ca channel blocker)
Definition
renal failure (renal excretion is body's only mechanism of Mg regulation), exogenous admin (given to pregos w/ pre-eclampsia for seizure prophylaxis)
Term
bilat loss pain/temp, flaccid paralysis over limited area (at level of lesion), vibration/touch/pressure intact
Definition
Syringomyelia - central fluid filled cavitation (syrinx) of spinal cord --> damage ant white commissure (pain/temp) ant ventral horn (LMN - control mm)
Clinical - presents w/ Arnold-Chiari malformation (congenital downward displacement of cerebellar tonsils), AFTer spinal cord trauma (MVA)
Term
affects dorsal columns - touch, vibration, proprioception
Definition
tabes dorsalis - result of tertiary syphillis (neurosyphillis)
Term
UMN (corticospinal tract) & LMN (ventral horn) dz; NO sensory sx
Definition
amyotrophic lateral sclerosis (Lou-Gehrig's dz)
Term
progressive demyelinating dz of spinal cord/brain, hallmark is lesions separated in space (diff, assymetric locations) & time (diff sxs at diff times)
Definition
multiple sclerosis
Term
viral dz of ventral horns, present w/ LMN sx (flaccid paralysis, areflexia, fasciculations, mm atrophy), NO sensory sxs
Definition
poliomyelitis
Term
oligomenorrhea/amenorrhea, hirsutism, acne, infertility, obesity
Definition
PCOS - LH:FSH ratio at least 2:1
Pts should undergo OGTT - check for insulin resis hyperglycemia
Tx - OCPs +/- spironolactone (anti-androgen) if suboptimal response to OCPs after 6 mon of tx
Tx glucose intolerence w/ metformin or rosiglitazone
Term
causes of secondary amenorrhea (absence 6 mon w/ prev normal menses)
Definition
Asherman's syndrome (repeated D&Cs), cervical stenosis
Premature ovarian failure (early menopause - INC FSH d/t DEC estrogen)
PCOS - INC LH/FSH ratio (2:1)
HyperPRL (pituitary adenoma, neuroleptic Rx, hypothyroidism - INC TRH --> stim PRL)
Pregnancy
Anorexia (BMI <18), extreme exercise - DEC pulsatile GnRH rel --> DEC rel LH & FSH; low FSH --> DEC ovarian stim, failure of follicle dev) = hypogonadotropic hypogonadism
Term
tearing chest pain --> bilat deficit pain/temp (spinothalamic tract) & motor control (corticospinal tract); touch, vibration, proprioception intact (dorsal column)
Definition
ant spinal aa syndrome - occlusion of aa d/t atherosclerosis or dissecting aortic aneurysm (tearing chest pain w/ radiation to back)
Term
impaired touch, proprioception, gait ataxia, arefleia, hypertrophic cardiomyopathy, foot deformities
Definition
Friedreich's ataxia - auto reces, GAA trinuc repeats --> disrupt mitochondria frataxin gene --> degen post columns, corticospinal, spinocerebellar tract
Term
Werdnig-Hoffman dz
Definition
auto recess, atrophy of LMN ventral horn cells
mm atrophy, areflexia, resp failure, death ~ 1 yo
Term
defective type IV collagen, hematuria, proteinuria (INC risk ESRD), cochlear dysfxn (sensorineural hearing loss), ocular (anterior lenticonus - protrusion of lens into ant chamber)
Definition
Alport syndrome - X-linked, auto recess
Dx - Bx, pedigree
Term
type I collagen defect
Definition
osteogenesis imperfecta, Ehlers-Danlos
Term
type III collagen defect
Definition
Ehlers-Danlos
Term
atropine
Definition
muscarinic antag - inhib Ach-R
MOA - INC HR, AV node conduction
Use - diarrhea, antitode for organophosphate poisoning, ophthalmologic eval (dilate pupil), bradycardia*
SE - hyperthermia, mydriasis (dilated pupil), dry skin, cutaneous vasodilation, confusion/hallucination = anticholinergic toxidrome; Antitode = physostigmine (AchE inhibitor - prevent breakdown of Ach)
Term
outpouching of hypopharynx, barium swallow shows diverticula
Definition
Zenker's diverticula
Term
pyogenic infections by encapsulated bacteria (recurrent), bruising, petechiae (d/t thrombocytopenia), eczema, low IgM Ab & platelet counts w/ high IgA & IgE
Definition
Wiskott-Aldrich - x-linked, males, unable to mount IgM attack vs encapsulated bacteria (S pneumo, Salmonella typhi, Klebsiella, H flu, Neisseria meningitis)
Vaccinate WAS pts!
high risk lymphoma & leukemia
Term
pyogenic infection (staph & strep), silvery hair, light skin/eyes, photosensitivity, oculocutaneous albinism
Definition
Chediak-Higashi - auto recess, mut LYST gene --> defective lysosomal emptying of phagocytic cells, lysosomes can't kill bacteria
Large lysosomes & melanosomes --> traps melanin pigment, prohibit disbursement
Peripheral neuropathy
Term
T lymphocytes do not prod sufficient interferon gamma -- low interferon-gamma, INC IgE, facial features course (prognathism - jaw juts fwd), multiple decidious sets of teeth, eczema
Definition
Job's syndrome (hyperIgE syndrome) - missing signaling cytokine, interferon gamma; mut STAT3 gene --> miscommunication bet T lymphocytes & NTs --> recurrent staph & candida infections, abscess
Normally, IF-gamma alert NT to area & phagocytose bacterium
Term
lacks NADPH oxidase; defective NT enzymatic activity (normally NT ingest intracellular bacteria, tumor cells, viruses coated w/ opsonizing Abs & exposed to hypochloric acid --> death "respiratory burst")
Definition
Chronic Granulomatous Dz - X-linked
Dx - nitroblue tetrazolium dye reduction test --> tests for fxn'l NADPH oxidase that makes O2 free radicals that kill bacteria; no blue = CGD
Opportunistic infections w/ S aureus, E coli, aspergillus
Term
no class switching to IgG, IgA or IgE
Definition
Hyper IgM syndrome - prob w/ CD40 ligand & CD4 helper T cell stop plasma cell fr class switching
Severe pyogenic infections early in life bc B cell's inability to prod correct Ig
Term
controls body temp mood, hunger, thirst, sex drive, sleep, circadian rhythms
Definition
hypothalmus - rel 8 hormones:
TRH, dopamine (PRL inhib hormone), GHRH, somatostatin, GRH, CRH, oxytocin, vasopressin --> sends to pituitary for rel of hormones
Term
lesion here causes expressive aphasia (slow labored speech, incomplete sentences)
Definition
Broca's area - post edge of frontal lobe's dominant hemisphere
Term
lesion here causes receptive aphasia (fluent, but incomprehensible... sentence don't make sense but complete)
Definition
Wernicke's area - temporal lobe in dominant hemisphere
Term
MC skin malignancy, little mets risk, palisading histo, no precursor lesion, skin CA on upper lip and hairline, men, INC w/ age, sun exposure, translucent/pearly papule w/ telangiectasia, rolled-up edges "rodent ulcer"
Definition
Basal cell carcinoma
Dx - shave or punch bx
Tx - excision
Term
MCC skin CA death, looks like mole w/ ABCD (depth = mets risk)
Definition
melanoma
Precursor - dysplastic nevus
Term
keratin pearls, ulcerated red, nodular mass on lower lip, actinic keratosis is precursor lesion, lil mets potential, variant is keratocanthoma
Definition
squamous cell CA - skin
Term
papules w/ white striae, lace-like appearance
Definition
Lichen planus
Term
Rx to prevent neonatal respiratory distress syndrome (NRDS)
Definition
corticoteroids - INC prod type II pneumocytes --> prod surfactant, can turn into Type I cells
NRDS risk factors - prematurity, C-section, high insulin fr maternal diabetes
After delivery --> give infant artificial surfactant
Term
majority of surface area that line alveoli, thin, squamous cells that allow diffusion of gas (O2 and CO2) fr alveoli into/out pulm capillaries
Definition
Type I epithelial cells - cannot regenerate after damage, but Type II can turn into type I cells
Term
form lining pulm capillaries, gas diffuses across surface into/out alveoli
Definition
endothelial cells
Term
synovial fluid - needle shaped crystals that are negatively birefringent**
Definition
gouty arthritis
Cause - deposit of urate crystals in joint fr excess uric acid in blood (tumor lysis syndrome fr radiation tx)
Uric acid - final breakdown product of dietary & endogenous purines. Purines broken down by hypoxanthine/xanthine
Prophylaxis - allopurinol or rasburicase
Term
Causes of Hyperuricemia
Definition
1) underexcretion of uric acid fr kidney: chronic kidney dz, diuretics (INC urate reabsorp), aspirin & niacin (complete w/ uric acid for excretion)
2) INC dietery intake of purines - meat/EtOH (occurs at night couple hrs after meal)
3) deficiency HGPRT - Lesch-Nyhan syndrome: x linked reces, necessary for recycling of purines, presents at infancy, mental retard, aggression, choreoathetosis (dance-like, twisting), self-mutilation, seizures, urate nephropathy
Term
physiologic barrier
anatomic barrier
restrictive/pathologic barrier
Definition
physiologic - active ROM in healthhy joint
anatomic - passive ROM in health joint
restrictive - barrier b4 physiologic barrier that DEC active ROM
Term
2 cm, non-tender, mobile, firm mass in breast
Definition
fibroadenoma - MC breast tumor in women 15-35 yo; benign, firm, round, smooth, rubbery, MOBILE, most freq in upper outer quadrant breast
Dx - US: disting cystic or solid, confimred w/ fine needle or core needle bx
Term
white flaking in areas w/ sebaceous glands (scalp, axilla, body folds, ext ear canal)
Definition
seborrheic dermatitis - dry scales w/ flaking (dandruff), poss pruritis
Tx - selenium sulfide shampoo (scalp) hydrocortisone other areas
Term
plaque that appears "stuck on," face and trunk
Definition
seborrheic keratosis
Term
study useful in distinguishing environmental from genetic factors, assuming all known confounding factors accounted for
Definition
adooption studies & twin concordance studies - takes twins/siblings who grew up in different areas
Term
bone pain, fatigue, anemia, hypercalcemia
Definition
multiple myeloma - malig plasma cells
Dx - monoclonal light chain casts in urine
lytic bone dz = bone pain, hypercalcemia
MC renal dz in MM = myeloma cast nephropathy, excessive delivery of light chains (tamm-horsfall protein = uromodulin) that overwhelms ability of renal tubules for reabsorp
Tubular casts block distal nephron & asc loop of Henle --> interstitial nephritis (INC BUN, Cre)
Term
muddy brown granular casts (urine)
Definition
acute tubular necrosis - sudden renal ischemia that damage renal tubular damage
Cause - renal hypoperfusion (ie hemorrhage, toxin exposure)
Term
hyaline casts (urine)
Definition
normal individuals after vigorous excercise, dehydration
casts formed by mucoproteins secreted by tubular epi cells
Term
calcium oxalate crystals (urine)
Definition
precipitate in normal/acidic urine
Hypercalciuric pts, ethylene glycol ingestion (AMS, high sympathetic tone, cardiac arrhythmias)
Term
RBC casts (urine)
Definition
Glomerulonephritides - bleeding in renal tubule fr glomerulus
PSGN, SLE, prior upper resp infection (Berger dz), hemoptysis (Wegener or Goodpasture)
Term
hypothyroidism, pernicious anemia, hypopigmentation (face, elbows, knees, body orifices)
Definition
vitiligo - autoimmune, loss of melanocytes
assoc w/ Hashimoto's thyroiditis* (hypothyroid), pernicious anemia*
Term
boys 10-14, affects long bones of LE, scapula, ribs, pelvis, localized persistant pain & swelling, noticed after minor trauma
Xray - destructive lesion w/ poorly defined margins "moth-eaten" and "onion peel" look (layers of reactive bone prod by periosteal rxn)
Definition
Ewing's sarcoma - malig tumor of blue cells arising fr medullary canal of bone, t (11;22)
Bx - tumor of anaplastic small blue cells
Mets to lung, bone marrow, bone, spine
Tx - chemo
Term
similar to Ewing's sarcoma, but occurs in metaphysis of lone bones w/ pain, swelling & pathologic fracture
Definition
Osteosarcoma - Codman's triangle (lifting periosteum by expanding tumor) or sunburst pattern
Hx - malig sarcomatous stroma, tumor osteoid & bone
More common in Paget's dz & familial retinoblastoma
Term
malig tumor of cartilage, men, 30-60 yo, expansile glistening mass in medullary cavity
Histo - abundant matrix prod, irreg shaped lobules that can permeate bony trabeculae
Definition
chondrosarcoma
Term
benign tumor of osteoclasts, 20-40 yo, locally destructive, distal femur/prox tibia
Xray - "double bubble" or "soap bubble"
Definition
giant cell tumor
histo - large multinuc giant osteoclastic cells & spindle-shaped mononuclear cells
Term
bengin bone tumor assoc w/ familial adenomatous polypopsis (FAP) - referred as Gardner's syndrome
Definition
osteoma
Osteomata - skull, mandible, sinuses, auditory canal, long bones
Xray - radiolucent nidus surrounded by cortical thickening
Histo - nidus of osteoid & woven bone interconnected w/ trabeculae & surrounded by fibrous CT & sclerotic bone rxn
Term
Tx for oral candidiasis thrush and diaper rash
Definition
Nystatin - MOA similar to amphotericin B - bind ergosterol & form pores in fungal membrane; but too toxic for systemic use
Term
Tx topical dermatophytoses (finger/toe nail infections)
Definition
terbinafine
Term
fluconazole and ketoconazole
Definition
TOC for local mycosis infections
Term
MCC heel pain caused by overuse, sharp pain w/ first steps in am, or after prolonged periods of rest
Definition
plantar fasciitis - inflamm where plantar fascia inserts onto calcaneal tuberosity
Tenderness at calcaneal tubercle and passive dorsiflex
Xray - bony heel spur
Tx - ice, rest, stretch, NSAIDs, orthoses, night splints
Term
heel pain w/ running & quick changes in direction, improvement w/ rest
Definition
Achilles tendonitis
Tenderness at site of Achille's insertion on calcaneus
Term
entrapment neuropathy of common digital nn that travels et metatarsals; numbness/burning of toes, "walking on marble," Mulder click (metatarsals compressed together, elicit pain)
Definition
Morton neuroma - fibrosis/degen of common digital nn that travels bet web spaces of toes (esp 3rd & 4th metatarsals) fr repetitive toe flex/extension
RUNNERS
Tx - NSAIDs, heat/ice, low-heeled cushioned shoes w/ wide box
Term
extreme pain, parasthesias, sensory loss, mm weakness; firm, wooden feeling of ant lower leg; ran marathon
Definition
compartment syndrome
Dx - measure compartment pressure
Tx - immediate fasciotomy
Assoc w/ rhabdomyolysis (myoglobinuria, INC CK, hyperK, hyperP, hypovolemia, acidosis --> acute kidney injury, urine dip + blood)
Term
flattened intestinal villi (esp jejunum), lymphocytes in lamina propria on bx
Definition
Celiac dz - malabsorp Fe, fol/B12, fat sol vit ADEK --> voluminous, foul smelling diarrhea
Dx - anti-gliadin, anti-tissue transglutaminase Abs
INC risk T cell lymphoma (malig CA of WBCs)
Term
male, rhinitis, "saddle shaped" nose, inflamm nasal mucosa & nasal polyps, c-ANCA Abs
Definition
Wegener's Granulomatosis - autoimmune small vessel vasculitis, c-ANCA Abs attack BV of...
Nasopharynx --> nose bleeding, pain, ulcer, purulent discharge, nasal deformity
Lung --> nodules, infiltrates, cavities w/ hemoptysis
Kidney --> nephritic syndrome, RPGN (hematuria, proteinuria, edema, HTN)
Organs show granulomatous inflamm w/ giant WBCs
Term
Drug-induced lupus: anti-histone autoAb
myalgia, arthralgia
Definition
Hydralazine
Procainamide
INH
Penicillamine
Tetracycline
Pyrazinamide
Quinine
Carbamazepine
Phenytoin
Term
autoimmune condition where anti-mitochondrial abs target bile ducts (transport bile within liver); gen pruritis, jaundice, xanthomas, fatigue
Definition
Primary biliary cirrhosis
+ anti-mitochondrial Abs
Severe - hepatic encephalopathy (coma) bc of ammonia build-up
Term
peaked T waves on ECG
Definition
Hyperkalemia - WRS widening --> cardiac arrhythmias (bradycardia, sinus arrest, v tach, v fib, asystole)
Note: KCl used in death penalty to stop heart
Tx - calcium gluconate - temp cardioprotective vs arrhythmias
Albuterol (B agonist), insulin - drive K intracellularly (acute tx)
**Hydration, Na polystyrene - definitive tx
Dialysis if above fails
Term
found in snails, fever, cough, abd pain, diarrhea, HSM, can result in transverse myelitis w/ flaccid paraplegia, cystitis & ureteritis w/ hematuria can progress to bladder CA
Definition
Schistosoma haematobium - Africa, Middle East
Term
Paragonimus westermani
Definition
lung fluke, SE Asia & Japan, ingestion of undercooked/picked crab or crayfish
cough, hemoptysis, abnorm xray
Term
Schistosoma japonicum
Definition
blood fluke, Far East, affects intestines, eggs dropit in brain --> cerebral granulomatous dz
Term
Shistosoma mansoni
Definition
blood fluke, transverse myelitis w/ flaccid paraplegia or colonic polyposis w/ blood diarrhea
Term
Fasciola hepatic
Definition
sheep liver fluke, worldwide where sheep/cattle raised, consumption raw watercress
Term
asymptomatic, complications - painless rectal bright red bleeding, perforation, infection
Definition
Diverticulosis - outpouching of colon wall by INC intracolonic pressure (secondary to low fiber) or weakness in wall
SIGMOID
Tx - INC diet fiber (if uncomplicated)
Term
wt loss, anemia, abd pain, melena, changes in bowel
Definition
colon CA
Term
pain w/ defacation, blood on toiler paper
Definition
anal fissure
Term
prolonged PTT & bleeding time, excessive bleeding
Definition
von Willebrand's dz
vWF - carrier of factor VIII --> DEC factor VIII --> prolong PTT
Tx - desmopressin (DDAVP) - INC vWF and factor VIII levels
Term
INC D-dimer, DEC fibrinogen, prolonged bleeding time, PT, PTT, DEC platelet count
Definition
disseminated intravascular coag (DIC)
Term
normal PT, PTT, DEC platelet count
Definition
HUS, idiopathic thrombocytopenic purpura (ITP), thrombotic thrombocytopenic purpura (TTP)
Term
ventriculomegaly, upward corpus callosal bowing, classic triad: dementia, urinary incontinence, gait disturb ("wet, wobbly and wacky")
Definition
obstructive hydrocephalus
Term
ring-enhancing brain abscess, seizures, cranial nn defect, AMS, immunocompromised, transmit by cysts in meat or cat feces
Definition
Toxoplasmosis
Dx - imaging, Ab serology, histology w/ sickle-shaped cells w/ large nuc
Tx - sulfadiazine + pyrimethamine
HIV CD4 <100, use TMP-SMX as prophylaxis
Term
well-demarcated mass that compresses brain w/out invading it
MC primary brain tumor <40, benign, seizures, focal dysfxn, change in mental status
Definition
Meningioma
histo - spindle cells w/ psammoma bodies
Term
Tx prostate CA, endometriosis, fibroids, central precocious puberty
Definition
Leuprolide - GnRH agonist
MOA - suppress steroid rel by ovaries & testicles secondary by DEC LH & FSH (when given continuously)
Term
trastuzumab
Definition
monoclonal Ab that binds to HER-2-R - overexpressed on aggressive breast CA cells
proto-oncogene on chrom 17 that encodes HER-2 (tyrosine kinase) amplifies ability of CA cells to respond to CA promoting signaling; trastuzumab blocks this process
Term
Tamoxifen
Definition
SERM - also Raloxifene
MOA - stim estrogen in uterus (lead to endometrial hyperplasia), but blocks estrogen in breast
Use - estrogen-R + breast CA, osteoporosis
Raloxifene - does not have endometrial agonist effect
Term
microcytic anemia, pica (appetite for dirt, clay, sand), koilonychia (spoon nails), esophageal webs (cause dysphagia)
Definition
Fe deficiency
Term
fatigue, irritability, wt loss, brittle hair, dry skin, arthralgia, bleeding, brusing in gums and into joints, poor wound healing
Definition
Vit C defic - Scurvy
Term
neuropathy, Wernicke encephalopathy, Korsakoff syndrome, heart failure, anorexia, constipation
Definition
thiamine (B1) defic / beriberi
Term
fatigue, peripheral/CNS neurpathy
Definition
pyridoxine (B6) defic
Term
hyperlycemia; insulin requires this to fxn properly
Definition
chromium defic
Term
Class 1a (Na channel-blocking) antiarrhythmic
Definition
Procainamide, quinidine, disopyramide
MOA - inhib entry Na into cell, DEC phase 0 slope of action potential; also block K efflux during phase 3 --> INC refractory period
DEC myocardial excitability, DEC conduction velocity
Use - atrial & ventric arrhythmia
Term
inhib topoisomerase (DNA gyrase)
Definition
FQ (cipro-, levofloxacin)
Term
inhib 50S ribosomal subunit
Definition
chloramphenicol, azithromycin
Term
inhib transpeptidase & cross-linking of peptidoglycan of cell wall
Definition
cephalosporin, ie ceftriaxone - best alt to ciprofloxacin for typhoid (enteric) fever)
Term
inhib RNA polymerase
Definition
rifampin
Term
Guyon's canal
Definition
ulnar nn/aa
entrapment - motor/sensory loss in all ulnar innervated hand intrinsics:
AD/ABduction digits, extending PIP little finger, opposing little finger
Severe - "claw hand"
Term
Anastrazole, letrozole
Definition
aromatase inhibitors
Normally converts androgens to estrogens
Use - adv estrogen-R sensitive + breast CA, can use w/ tamoxifen or if it's ineffective
Term
Finasteride, Dutasteride
Definition
5-alpha reductase inhibitors
Normally 5-alpha converts testot to DHT in prostate, testes, hair follicles, adrenals
Use - BPH, male pattern baldness (finasteride)
Term
Flutamide
Definition
androgen-R antag
Use - prostate CA
Term
10 yo, fever, sore throat, jt pain, INC sed rate
Definition
Acute rheumatic fever, recent hx Grp A strep pharyngitis.
2 major criteria: J<3NES (joints, carditis, nodules, erythema marginatum, Syndenham's chorea) AND 1+ minor criteria
Dx - throat culture, antistreptolysin O
Tx - PCN (ALL pts) to prevent recurrence
Term
granulosa cell tumor (type of sex cord-stromal tumor; MC malig tumor of this category)
Definition
granulosa cell in ovary - convert androgen to estrogen
Tumor --> hyperestrogenism:
young - precocious puberty
adults - irreg menses or postmenopausal bleeding d/t endometrial hyperplasia
Hallmark - Call-Exner body** (follicles filled w/ eosinophilic fluid) or "coffee been" nuclei or rosette of cells
Term
sex cord stromal tumors
Definition
granulosa cell
fibroma (benign Meig's syndrome - ovarian fibroma, ascites, pleural effusion)
Sertoli-Leydig cell tumors - prod andreogens, virilization
Term
stomach CA that mets to ovary
Definition
Krukenberg tumor - mucin-secreting adenoma of ovary w/ signet ring cells
Term
ovarian fibroma, ascites, pleural effusion (typically on R)
Definition
Meig's syndrome
Tx - resection
Histo - spindle-shaped fibroblasts (FIBROblasts = FIBROma)
Term
papillary projections and psammoma bodies
Definition
serous cystadenocarcinoma - type of malig OVCA of surface epithelial origin, includes:
mucinous, endometrioid, transitional cell, clear cell, Brenner tumors
Risk factors - nulliparity, early menarche/late menopause, famHx
Suspect BRCA1/2 mut if 1+ family member had breast/OVCA
Psammoma bodies also seen in papillary thyroid CA
Term
tumor cell lined single papilla w/ central vessel (Schiller-Duval bodies* pathognomonic)
Definition
yolk sac tumor (type of malig ovarian germ cell tumor), aka endodermal sinus tumor
acute abd signs if there's degen/rupture
F - ovary, M - testes
Malig germ cell tumor:
dysgerminoma (INC LDH)
yolk sac tumor (INC AFP)
immature teratoma
Term
Germ cell tumors
MC ovarian malig Dx'd during childhood/adolescence
Definition
"DEEPCT"
dysgerminoma, endodermal sinus (yolk sac), embryonal CA, polyembryoma, choriocarcinoma (INC HCG)
Term
MC benign ovarian tumor
Definition
dermoid cyst (mature teratoma)
Term
brain cyst, seizures - parasite
Definition
taenia solium (cystercosis) - Cestode (tapeworm)
Term
liver cyst - parasite
Definition
Echniococcus granulosus - tapeworm
Term
B12 defic - parasite
Definition
Diphyllobothrium latum - tapeworm
Term
biliary tract dz, cholangiocarcinoma - parasite
Definition
Chlonorchis sinensis - tremetode (fluke)
Term
hemoptysis - parasite
Definition
Pragonimus westermani - fluke
Term
portal HTN - parasite
Definition
schistosoma masoni - fluke
Term
hematuria, bladder CA - parasite
Definition
schitosoma haematobium - fluke
Term
microcytic anemia - parasite
Definition
ancylostoma, necator - hookworm (type of nematode or roundworm)
Term
perianal pruritis - parasite
Definition
enterobus - pinworm (type of roundworm)
Term
Volume of distribution
Vd = total amount in body / plasma Rx concenc
Definition
Reflects extent Rx dristrib in extravasc tissue as opposed to plasma
If Rx distrib in tissue = HIGHER Vd
*Note Vd can exceed known vol of all body compartments combined if distrib primarily in tissue (ie chloroquine - malaria) --> HIGHLY lipophilic thus able to cross cell membranes
If Rx distrib mainly in blood = LOWER Vd
Term
First-pass effect
Definition
Rx tracted by liver & partially metab before sent to systemic circ --> result in lower levels delivered to systemic
Buccal/rectal route DEC first pass effect & bypasses portal circ
Term
Octreotide
Definition
somatostatin analog - "off switch" for GI
Use - bleeding esophageal varices *DOC, gastrinoma or glucagonoma, acromegaly
MOA - inhib serotonin rel (Tx met carcinoid tumor) & almost all GI hormones (gastrinn, VIP, serotonin, insulin, glucagon, motilin), inhib GH
SE - N, abd pain, constipation OR diarrhea, abnorm glucose tolerance, flatulence
Term
adult - course facial features, large tongue (macroglossia), large hands/feet, INC shoe/glove size or ring tightening
Definition
acromegaly
Tx - octreotide (somatostatin analog)
Term
Glucocorticoid (hydrocortisone)
Definition
inhib enzyme phopholipase A2 (cleaves FA --> arachidonic acid --> PGs, leukotrienes = inflamm)
Use - dermatitis
SE - thin skin, iatrogenic Cushing's
Term
Alendronate
Definition
biphosphanate
Use - osteoporosis
MOA - inhib osteoclasts (resorp)
SE - esophagitis, osteonecrosis of jaw* (rare)
Term
Cabergoline
Definition
dopamine-R agonist
Use - PRL secreting pituitary microadenoma (1st line)
SE - GI upset
Term
block ALD-R (prevent reabsorp Na/Cl in distal tubule), competitively antag androgen-R (DHT-R)
Tx HTN & CHF, hirsutism (PCOS)
Definition
Spironolactone - K sparing diuretic, prevent excretion K (can lead to hyperK+)
SE - gynecomastia, testicular atrophy, amenorrhea
Note - CHF d/t DEC CO & DEC renal perfusion which acitv RAAS sys & INC absorb Na, Cl, H2O in kidney --> peripheral/pulm edema
Term
inhib Na-Cl-K cotransporter in asc loop Henle & distal renal tubule
Definition
Furosemide (loop diuretic) - INC excretion H2O, Na, Cl, Ca; INC excretion K & DEC excretion uric acid...
Imp SE - hypokalemia & gout
Use - CHF
Term
supplies ant wall LV, bundle of His, RBB
Definition
L main coronary aa
Term
supplies anterolat myocardium, apex, interventric septum
Definition
L ant descending coronary aa
Term
supplies postlat LV, anterolat papillary mm
Definition
L circumflex coronary aa
Term
supplies post wall LV
Definition
post desc aa
Term
Flow of CSF in ventricles
Definition
lateral ventricles --> foramen of Monro --> 3rd ventricle (no connection bet 2 lat ventricles, each lat ventricle has own foramen of Monro)
3rd ventricle --> aqueduct of Sylvius --> 4th ventricle --> exits via Magendie (middle), 2 foramina of Lushka draining into subarachnoid space via cisterna magna --> reabsorb by arachnoid villi in sup sag sinus & subarach space
Term
obstruction CSF outflow thru foramina of Lushka (2 lateral) & Magendie (middle) = dilated 4th, 3rd & lat ventricle
Definition
Dandy-walker malformation
Term
dilated 3rd & both lateral ventricles
Definition
obstructed cerebral aqueduct (stenosis)
Arnold-Chiari malformation
Term
hematuria, abd pain, HTN, bilat palpable kidneys w/ multiple cysts
Definition
ADPKD - abnorm on short arm chrom 16
Dx - US* imagine of choice, MRI, CT
Tx - annual US, control HTN
Complications - intracerebral berry aneurym*, heart valve abnorm, thoracic aortic aneurysm
Term
bright red rash on cheeks that faded followed by lace-like rash on trunk/extremities
Definition
erythema infectiousum (Parvo B19)
Sickle cell pts more likely infected --> aplastic crises
Term
purple, pruritic, polygonal papules on ext, lace-like lesions on mucosa
Definition
lichen planus
Term
first fever --> rash starts on trunk, spread peripherally
Definition
roseola infantum (HHV-6)
Term
<2 yo, vomitting, diarrhea, bloody stool "currant-jelly", crying & curling into a ball
Definition
intussusception - telescoping of distal bowel
Dx - barium or air enema
Term
"M-spike"** (large amount M protein) on serum protein electrophoresis, rouleaux formation (stacked coins), Bence-Jones proteinuria, **hypercalcemia, renal failure
Definition
Multiple myeloma - prolif of single clone plasma cells prod monoclonal Abs, "punched out" osteolytic lesions, Blacks > 45 yo, vertebral collapse (ht loss), leukopenia
Term
spondylolithesis
Definition
ant displacement of vertebral body in relation to the one below
grade 1 0-25%
grade 2 26-50%
grade 3 51-75%
grade 4 76-100%
Term
spondylosis
Definition
osteoarthritis of spine
Term
spondylolysis
Definition
defect in pars interarticularis
Xray - scotty dog "collar"
Term
1. form BBB (w/ endothelial cells & BM)
2. support to neurons: nutrients (lactate), homeostasis (K metab), removal NT (glutamate), physical support
3. repair & scarring in form of reactive gliosis (fills physical space of damaged neurons that can't regrow after injury, ex resected tumor space)
Definition
astrocytes (astroglia)
Term
major myelin producers of CNS, largest composition of white matter
each one capable of myelinating dozens of axons (which can regrow)
Definition
oligodendrocytes
Term
phagocytes orig fr mesoderm, 1st line defense active immunity in CNS
Definition
microglia
Term
myelin coating for PNS neurons, do not exist in CNS, derived fr neural crest
Definition
Schwann cells - can only myelinate ONE axon
Clinical - destroyed in Guillian-Barre syndrome
Term
first-order elimination
Definition
rate of elim proportional to drug concen (constant fraction/percent elim per unit time)
Rx DEC exponentially over time (ex. initial 1 mg/L, HL = 3 hr... after 3 hrs it becomes 0.5, next 3 hrs 0.25, etc)
Most Rxs follow this
Note: if Rx infused, takes 4-5 HL to reach steady state concen
Term
zero-order elimination
Definition
rate of elimination constant regardless of present Rx plasma concen (ex. 0.25 mg/L elim after 3 hrs, 0.25 next 3 hrs, etc)
**phenytoin, ethanol, aspirin
Term
Gram neg, Giema-staining - cytoplasmic inclusion filled w/ dark circular bodies (reticulate bodies), yellow urethral discharge, dysuria
Definition
Chlamydia trachomatis - serotypes D-K
Can be asymptomatic, urethritis/vaginitis (MC prepubescent), PID (postpubescent)
F - Can damage fallopian tubes --> infertility
M - epididymitis
M/F - Reiter's syndromem (can't pee, see, climb tree)
Neonatal pneumonia (staccato cough), conjunctivitis
Serotypes A-C Trachoma (blindness in Asia/Africa)
Serotypes L1-3 lymphogranuloma venerum (elephantiasis)
Term
Gram neg, NOT Giemsa-staining, glucose fermenting coccus, dysuria, intermenstrual bleeding, lower abd pain
Definition
Gonorrhea
Can cause neonatal conjunctivitis, septic arthritis, Fitz-Hugh-Curtis syndrome, PID
Term
white thick discharge, KOH - pseudohyphae, part of normal vag flora, overgrowth in diabetics or those on abx
Cause - esophageal thrush, diaper rash, endocarditis IVDU
Definition
Candidiasis
Term
foul smelling, green discharge, itching, burning, dyspareunia, dysuria, strawberry cervix
Dx - flagellated, pear shaped trophozoites w/ corkscrew motility
Definition
Trichomoniasis
Tx - metronidazole
Term
flushing, wheezing, pruritis, diarrhea, heart valve damage, abd pain, 24-hr urine excretion INC 5-HIAA**
Definition
Carcinoid syndrome - secretes serotonin (diarrhea, heart valve damage), histamine (flushing, wheezing, pruritis), kallikrein (flushing), mets causes abd pain
Dx - CT scan or somatostatin-R scintigraphy to localize tumor
Tx - resection, octreotide (*TOC if unresectable)
Term
neuroendocrine tumor that causes watery diarrhea, flushing, urinalysis shows dehydration
Definition
vasoactive intestinal peptide tumor
Term
kid - hypokalemia, metabolic acidosis, chronic vomiting, normal-low BP, elev renin & ALD (explains hypokalemia)
inherited defect in thick ascending loop of Henle, juxtaglomerular cell hyperplasia
Definition
Barrtter syndrome
Tx - K-sparing diuretic
Term
inhib Na-K-Cl transporter in thick asc loop of Henle
Definition
loop diuretics - furosemide, bumetanide, torsemide
Use - edema d/t HF, nephrotic syndrome, cirrhosis, hyperCa, HTN; effective in pts w/ low GFR
SE - "OH DANG": Ototoxicity, HypoK+, Dehydration, sulfonamide-related Allergic rxn, interstitial Nephritis, Gout
Term
inhib Na-Cl transporter in distal convoluted tubule
Definition
thiazide diuretics (-thiazide)
Use - HTN, edema cause by HF, nephrotic syndrome
SE - HyperGLUC: glycemia, lipidemia, uricemia, calcemia
Term
retention of H2O in tubular lumen by osmotic effect
Definition
osmotic diuretic - mannitol
Freely filtered, prevent reabsorp of water --> diuresis
acts on entire nephron, except thick asc limb of loop of Henle
DEC intraocular/ICP, urinary excretion toxic substances
SE - dehydration, hyperNa, hypoTN, pulm edema, blurred vision
Term
inhib carbonic anhydrase - block reabsorp NaHCO3 in prox convoluted tubule
Definition
CA inhibitor - acetazolamide, dichlorphenamide, methazolamide
Use - glaucoma (by DEC prod aqueous humor), edema, urinary alkalinization, met alkalosis, epilepsy, mtn sickness
SE - met acidosis, neuropathy, ammonia toxicity
Term
enlarged clit/ambiguous genitalia, blind-ending vagina, palpable masses in inguinal canals or labial folds;
normal internal male genitalia but ext female genitalia at birth w/ secondary virilization at puberty, serum testot:DHT ratio >20, 46XY
Definition
5-alpha-reductase deficiency - absent DHT necessary for normal male ext genitalia & 2ndary sex charac
Y chromosome - Wolffian ducts (testes, epididymis, seminal vesicle, vas def)
At puberty - LH surge cause INC testot --> virilization, 2ndary male charac
Tx - gender ID, hormonal, psych
Term
masculinization at infancy, female pseudohermaphrodism, hypoTN, vol depletion, hypovolemic shock in newborn d/t salt wasting
17-hydroxyprogeseterone accum and converts to androstenedione (testot precursor)
Definition
21-hydroxylase deficiency - needed for syn of CORT & ALD
MCC congenital adrenal hyperplasia
HyperK+, INC plasma renin
Term
excess prod mineralocorticoids
infant - HTN, hypoK+ (d/t excess ALD)
M - normal M internal, female external; undescent testis
F - normal F internal, male external
both lack appropriate 2ndary charac
Definition
17-hydroxylase defic (another type of congenital adrenal hyperplasia)
pregnenolone & proges CANNOT convert to CORT or androgens
Term
HTN, masculinization
INC ALD precursor 11-deoxycorticosterone (mineralocorticoid), INC cortisol precursor 11-deoxycortisol, INC prod androgens
Definition
11-hydroxylase defic (another type CAH)
necessar for syn ALD & CORT
Term
virilization of female fetuses (but normal internal genitalia - ovaries, uterus), primary amenorrhea, tall stature, polycystic ovaries, osteoporosis
Definition
armoatase defic
need to convert testot --> estradiol
Term
defective hepatic uroporphyrinogen decarboxylase, 5 P's: Polyneuropathy, Psych abnorm, Painful abd, Pink urine, Pharmaceuticals (barbituates)
Definition
Porphyria cutanea tarda (PCT) - MC porphyria
Tx - phlebotomy, avoid sunlight, EtOH, tobacco, Fe, estrogens
cutaneous/liver abnorm, chronic blistering, vesicles, bullae on sun exposed skin, males
exacerbated by Fe supp, EtOH, P450 inducers, smokers, exogenous extreogen
Term
seizure, new-onset porphyria (urine - aminulevulinic acid & porphobilinogen), no cutaneous manifestation
Definition
Acute intermittent porphyria d/t valproic acid**
Term
"ringed sideroblasts" in bone marrow (nuc RBC w/ ring of mitochondria along cell periphery)
Definition
sideroblastic anemia (microcytic) - inability to incorporate heme into protoporphyrin & make Hgb
MCC in order: EtOH, B6 defic, lead poisoning
Term
DEC factor III, lightheaded, fatigue
mucosal bleeding, excess bruising, epistaxis (nosebleed), menorrhagia
Definition
von Willebrand dz - auto dom
vWF imp in hemostasis, bids factor VIII to prevent degradation by protein C
Tx - DDAVP (desmopressin - anti-diuretic), SE - hypoNa+
Term
mtn climbing, anorexia, NV, fatigue, weakness, dizziness, lightheadedness
Definition
acute mtn (altitude) sickness
Tx - acetazolamide (carbonic anhydrase inhibitor) - prevent HCO3 reabsorp at prox tubule, DEC H2O resabsorp, cause NaHCO3 diuresis
Accelerates body's normal response to resp alkalosis fr high altitude
SE - metabolic acidosis
Term
otherwise healthy pt has neutropenia & hypochromic anemia
Definition
Copper defic - needed for hematopoiesis
Term
selenium deficiency, can lead to cardiomyopathy, mmm weakness,
Definition
Keshan dz
Note: selenium toxicity - hair loss, nn damage, garlic breath*
Term
hypothyroidism, goiter, stunted mental/physical growth (cretinism)
Definition
iodine deficiency
Term
anorexia, tremors, seizures, palpitations, AMS, depression, other electrolyte abnorm
Definition
Mg defic
Note: hyperMg = weakness, AMS, resp depression, cardiac arrest
Term
flashes of light, floaters, sudden vision loss similar to shade being pulled down
Definition
retinal detachment - eye trauma, DM (neovasc & scarring of choroid)
Fundoscopy - elev and folded retinal tissue
Term
blurry vision & ocular pain, sudden severe ocular pain, redness, halos, fixed dilated pupil, frontal HA, optic disk cupping
Definition
closed-angle glaucoma - optic nn damage fr DEC angle bet iris & cornea
Note: open angle glaucoma - damage of trabecular meshwork, obstructed flow to canal of Schlemm, painless, but still shows optic disk cupping
Term
blurred margins, enlarged blind spot, normal vision (unless very severe), HA, NV
fundoscopy - swelled optic disk, hemorrhages, cotton wool spots
Definition
papilledema - optic disk swelling 2ndary to INC ICP
Term
gradual loss central vision
Fundoscopy - drusen (scattered yellow) deposits beneath retina
Definition
age related macular degen
Term
thrombocytopenia, leukopenia, sudden onset pleuritic chest pain, diffuse ST seg elev & PR depression, pericardial friction rub
Definition
lupus pericarditis
Term
MCC of viral pericarditis
Definition
Coxsackie B virus
pleuritic chest pain (relieved by leaning fwd), pericardial friction* (100% specific for pericarditis)
Normal platelet count, HIGH WBC count
Term
Premature - neonatal resp distress syndrome cyanosis, intercostal retraction, nasal flaring, grunting, tachypnea
Definition
low lung compliance, low FRC, R-to-L shunting thru ductus arteriosus & foramen ovale
Tx - surfactant
Term
lateral deviated tongue w/ fasciculations, ipsi hypertrophy
Definition
hypoglossal nn lesion
Term
OMM - hip drop test
Definition
eval sidebending lumbar spine
place hands on iliac crest & ask pt to bend one knee w/out lifting heel, allow compensatory wt shift & compare bilat
Normal - iliac creast on side of bent knee should drop >20 degrees
Term
light reflex
Definition
with lesion to oculomotor nn, light info still travels to bilat point --> tells both eyes to constrict pupil, but affect side cannot perform task while unaffected side can
No pupillary constriction in either eye - optic nn (CN II) or retina injured
Pupillary dilation in both eyes (hydriasis) - damage to oculomotor nn, loss of constricting parasympathetics fr both Edinger-Westphal nuc
Term
weakness of forearm flexion (brachialis & biceps), supination (biceps), and loss sensation lat forearm
Definition
musculocutaneous nn (C5-7) injury
"burners injury" or "stingers injury"
burning pain, numbness, tingling
Cause - depression of shoulder by forceful flexion of neck away fr involved side (football/rugby tackles)
Term
surgical neck of humerus fracture
Definition
axillary nn injury (C5-6) - deltoid (ABducts shoulder), sensory loss over shoulder
Term
hook of hamate fracture fr outstretched hand
Definition
ulnar nn injury (C8, T1); passes thru Guyon's canal - hypothenar, ADDuctor pollicus (adduct thumb), dorsal/palmer interossei, 2 medial lubricals 7 sensory to dorsal/palmar hand, 5th digit, medial half 4th
Term
midsystolic click, late systolic murmur, INC by valsalva, DEC by squatting
Definition
MVP
Term
apical holosystolic murmur radiates to axilla or back, inferiolat displaced PMI
Definition
mitral regurg - asymptomatic
severe - exertional dyspnea & afib
Term
low pitched, apical diastolic rumble in L lateral decubitus position, INC w/ EXPiration
Definition
mitral stenosis
Dx - ECG, CXR (L atrial hypertrophy)
Tx - diuretics, surg
Term
Monitor warfarin
Definition
PT/INR
PT - test sensitive to factors I, II (prothrombin), VII, X and factor V
measures activity of extrinsic & common coag pathways
INR - normal 2-3
Term
ESR
Definition
erythrocyte sed red = nonspec for inflamm
Term
aPTT
Definition
measure intrinsic pathway
monitor tx w/ unfractionated heparin
Excess heparin - protamine sulfate
For LMWH (enoxaparin, dalteparin) - measure anti-factor Xa activity
Term
negative birefringence (look like yellow needles on synovial fluid), sudden, nocturnal pain, men, affects metatarsophalangeal jt of great toe (podagra), ankles, knees; tender, swollen, warm joint
INC serum uric acid, INC ESR
Definition
Gout - monosodium urate crystals, EtOH retains urate
Xray normal in initial attack
Chronic gout - tophi, erosions, overhanging cortical bone ("rat-bite erosions")
Term
jt pain, swelling, tenderness, warmth, jt aspiration shows calcium pyrophosphate crystals w/ weak positive bifringence that's blue and rhomboid shaped
Definition
pseudogout
Term
SE - dry cough (d/t bradykinin), acute renal failure, hyperK, angioedema
Definition
ACE inhibitor
Use - chronic kidney dz, diabetes
If get SE, use ARB (-tan)
Term
kid, female, microcephaly, autism like behavior, handflapping, lose prior speech by 18 mon
Definition
Rett syndrome - normal dev and sudden decline in motor/cognitive fxn
Hyperventilation/hypoventilation cycles, hand-flapping, scoliosis, bruxism (grinding teeth)
Term
myxedema coma
Definition
end-stage untreated hypothyroidism
d/t cessation of thyroid rep tx, precip by stroke, MI, infection, GI hemorrhage, trauma, excessive hydration, diuretic, sedative rx
S/S - social withdrawl, lethargy, drowsiness, confusion, hypothermia, AMS, hypoNa, hypercapnia
Tx - ventilatory support, T4 & steroid rep, water restriction (correct hypoNa)
Note: myxedema - non-pitting edema of face/hands d/t GAG)
Term
high TSH, low T3, T4, Ft4
Definition
Hypothyroidism
Etio: autoimmune (Hashimoto's) cretinism (d/t severe iodine defic in utero), subacute thyroiditis (self-limited after flu-like illness), Riedel's thyroiditis (thyroid tissue fibrosis), iatrogenic (thyroidectomy or radioiodine tx), Rx-induced (fr lithium or amiodarone)
Term
enlarged lymph nodes, hemorrhagic buboes (axilla, neck groin), bit by flea
Definition
Yersinia pestis - gram neg, facultative-anaerobic enterobacteriaceae, non-lactose fermenting, non-motile, glucose-fermenting, oxidase-neg, catalase-pos, coagulase-pos, SW US deserts
Transmit by flea bite (dogs/rodents)
Bubonic plaque - high fevers, enlarged LN, hemorrhagic suppurative buboes, conjunctivitis
Tx - isolation, abx (aminoglycosides, FQs or tetracyclines)
Term
larger subcutaneous areas, more malig, spread quick, red borders surrounding black tissue
Definition
Pseudomonas aeruginosa (water) - aerobic, Gram neg rod, non-lactose fermenting, oxidase pos
major source nosocomial sepsis and cellulitis (esp burn victims)
Term
DVT / PE Tx
Definition
Heparin - activ antithrombin
DVT: Homan's sign (calf pain w/ passive dorsiflexion w/ knee extended) - can also be neg
Term
direct inhib thrombin
Definition
direct thrombin inhibitor (lepirudin, bivalirudin, argatroban, dabigatran)
MOA - disrupt thrombin after it's alrdy bound to clot
Use - pts who cannot tolerate heparin or had heparin-induced thrombocytopenia (adverse rxn)*
Term
antag of ADP receptors
Definition
anti-platelet (clopidogrel, ticlopidine, prasugrel)
Use - CAD, stroke
Term
antag GPIIb/IIIa receptor
Definition
GPIIb/IIIa inhibitors (abciximab, eptifibatide, tirofiban)
MOA - prevent clot
Use - pts undergoing percutaneous coronary intervention (for MI) & high risk unstable angina
Term
conversion of plasminogen to plasmin
Definition
fibrinolytic (clot buster) - tPA, streptokinase, urokinase
Use - dissolve alrdy formed clot in acute MI, ischemic stroke, massive PE
SE - bleeding
Do non-contrast CT to r/o hemorrhagic stroke (don't use in these pts)
Term
osteoporosis prevention
Definition
weight-bearing & balance exercise
Ca + Vit D supp
Lifestyle changes (smoking cessation)
Term
excess CSF, communicating (non-obstructive) hydrocephalus - dilation of lateral, 3rd, 4th ventricles
Definition
choroid plexus papilloma - benign tumor lining ventricles that prod CSF
Infant - bulging ant fontanel* classic d/t INC ICP
Term
dilated 4th, 3rd and lateral ventricles (non-communicating), enlarged cisterna magna, absent cerebellar vermis & enlarged brain's post fossa
Definition
Dandy Walker syndrome - congenital abnorm of cerebellum & 4th ventricle --> obstruction of CSF flow out of 4th ventricle into cisterna magna (non-communicating hydrocephalus)
Term
downward displacement cerebellum thru foramen magnum --> stenosis of aqueduct of Sylvius (block CSF flow fr 3rd to 4th)
Definition
Arnold Chiari malformation
Term
calfified brain tumor fr white matter of cerebral hemispheres, usually frontal lobes, "fried egg" appearance (central nuc and clear cytoplasm)
Definition
Oligodendroglioma
Term
infant - communicating hydrocephalus, esp chorioretinitis, mom exposed to cat litter
Definition
congenital toxoplasmosis
Term
mm contractions
Definition
isotonic - constant mm tension, change in mm length
concentric - mm shortens
eccentric - mm lengthens
isometric - operater/pt have same force, neither shortening/lenghtening (ME)
isolytic - operator's force overcomes contraction of mm causing it to lengthen
isokinetic - mm shortens & lengthens at constant speed (professional swimming)
Term
Chapman - surgical neck of humerus
Definition
eyes
Term
Chapman - 1st rib and clavicles, lateral to where they cross 1st ribs
Definition
ears (otitis media)
Term
echinocytes (burr cells or acanthocytes) - RBC w/ spoked projections on membrane
Definition
pyruvate kinase (PK) defic - last enzyme in glycosis, w/out this RBCs have lower energy stores
Term
+ Coombs test, normocytic, normochromic anemia, anti-red cell Abs leading to extravasc hemolysis (in liver/spleen)
Definition
autoimmune hemolytic anemia
Term
red morning urine* classic, abnormal RBCs, granulocytes, platelets
Definition
paroxysmal nocturnal hemoglobinuria - acquired clonal stem cell disorder, acidosis (during exercise/sleep) activates C' which explains red morning urine
Complications - freq thromboses, acute leukemia
Term
G6PD deficiency
Definition
african american males, Mediterranean
INC erythrocyte sensitivity to oxidative damage, triggered by:
antimalarials (primaquine)
anti-TB
sulfonamides
nitrofurantoin
viral/bacterial infections
fava beans (favism)
Term
GI - intraepithelial CD8+ T lymphocytic infiltration, crypt hyperplasia, villous atrophy, blunting of small intestinal villi
Definition
Celiac dz
Term
causes of normal intestinal histology w/ diarrhea & wt loss
Definition
lactase defic, disaccharidase defic, abetalipoproteinemia
Term
transmural inflamm, collections of NT w/in crypts
Definition
Crohn's dz
Term
diffuse inflamm limited to mucosa & superficial submucosa w/ ulceration
Definition
ulcerative colitis
Term
CNS tumors (hemangioblastomas), angiomatosis (1-3 red nodules w/ stringy BV along periphery of nodule)
Definition
von Hippel-Lindau dz - auto dom, mut VHL gene on chrom 3
assoc w/ renal cell CA, epidermal cysts, pheochromocytomas
Term
port wine stain (trigem dermatome), leptominengial angiomatosis, mental retard, seizures, early onset glaucoma, phemochromocytoma
Definition
Sturge-Weber syndrome
Term
newborn cyanosis (first few hrs), CXR "egg-on-a-string"
Definition
transposition of great vessels (ASD, VSD, PDA must be present to live)
Tx - IV PGE1 (prevent closure), cardiac catheterization, balloon atrial septostomy, surgery
Term
newborn cyanosis - single BV arising fr R/L ventricles, VSD usually present, CXR - heart enlargement and fluid-filled lungs
Definition
truncus arteriosus
Term
newborn cyanosis - boot shaped heart
Definition
tetrology of Fallot
Term
all 4 pulm vv drain into systemic vv or R atrium, CXR - "snowman"
Definition
total anomaous pulm venous return - ASD or foramen ovale imp for survival
Term
R atrium dilation, CXR - prominent R heart border
Definition
tricuspid atresia - lack of tricuspid valve (no connection bet R atrium & ventricle)
Term
test hypotheses which compare differences in proportions bet nominal grps (grp without a number, ie ethnic grps, gender, cured vs not cured)
Definition
chi-square test
Term
compare diff when there's one set of interval data (values, ie BP, temp, HR) and one or more sets nominal data (without number, ie ethnic grp, cured/not cured)
Definition
ANOVA
Term
find how well 2 sets of interval data (value, ie BP, HR) correlate
Definition
pearson product-moment correlation
Term
used for interval data, but one interval set has only 2 grps of nominal data
Definition
t-test
Term
dorsal column spinal cord
Definition
IPSI pressure, vibration, touch, proprioception
most medial portion - legs
more lateral - arms
lesion result in DEC below injured level
Term
ant part medial aspect spinothalamic tract (ant parts)
Definition
pain & temp - neck
Term
ant part lateral aspect spinothalamic tract
Definition
pain temp - lower back
Term
prolonged diarrhea in immunocompromised
Definition
cryptosporidiumm protozoa - acid-fast cysts on stool histology
Tx - nitazoxanide + HAART (HIV)
Prevention - water filtration
Term
bloody diarrhea, lactose neg, flagella, transmit by food, fecal-oral
Definition
salmonellosis
Term
blood diarrhea, shiga exotoxin, lactose neg, no flagella, transmit by food, fecal-oral
Definition
shigellosis
Term
hemorrhagic diarrhea after eating undercooked red meat, unpasteurized milk
Definition
EHEC (O157:H7) - non-sorbitol fermenting
Term
obligate intracellular bacteria, transmit via resp/direct contact, thickened nn, loss of sensation, skin patches, leonine facies
Definition
Mycobacterium leprae - acid-fast (also Nocardia)
Tuberculoid Hansen's dz - leprosy
1. Tuberculoid - good immunity, mild, one or multiple skin nodules, thickened peripheral nn, local loss sensation, not likely to transmit dz
2. Lepromatous - weak immunity, nodules, plaques bilat thruout body esp hands, fingers, forearms, face(leonine facies, resemble lion, loss of eyebrows, nasal collapse)
Tx - long-term dapsone (PO) or w/ rifampin or clofazimine
Dapsone SE - hemolysis, methemoglobinemia
Term
4 P's: pruritic, purple, polygonal, papules, self-limiting, more common in older females or those w/Hep C
Definition
Lichen planus
Tx - corticosteroids
Term
narrowing spinal canal that causes radiculopathy esp w/ extension
Definition
spinal stenosis
Xray - stenosis fr degen changes
Term
s
Definition
Term
cause bronchodilation by inhib enzyme phosphodiesterase --> inhib degradation of cAMP to AMP
Definition
Theophylline (along with caffeine & theobromine are methylxanthines) - narrow therapeutic index
cause cardio- & neuro-toxicities
Term
primary tumor in L atrium
Definition
myxomas - dyspnea, wt lsos, syncope, hemoptysis
Term
low grade fever, HSM, LAD (esp post cervical nodes), DEC energy/appetite, pharyngitis, + heterophile Ab test, infected B cells*
Definition
EBV (mono)
Term
Clonidine suppression test then measure serum catecholamines before/few hrs after
Definition
Dx - pheochromocytoma
Clonidine - alpha-2-R agonist normally suppresses rel catecholamines fr adrenal glands but ineffective for pheochromocytoma
Confirm dx - CT/MRI
Tx - resection w/ alpha-blocking meds (phenoxybezamine - irreversible alpha blocker), BB only if adequate alpha blockade achieved bc unopposed alpha stim can lead to dangerous INC BP
Term
non-env RNA, fecal-oral, acute gastroenteritis, cruise, lasts few hrs to days, for contaminated seafood/water
Definition
Norovirus (Calicivirus family)
Term
infantile gastroenteritis
Definition
Adenovirus
Term
gastroenteritis, cysts or trophozoites ingested fr fecally contaminated water, food, hands, sex, foul smelling diarrhea w/ blood & mucus, flatulence, abd pain
Definition
Entamoeba histolytica
Term
MCC diarrhea worldwide, starts 1 wk after ingestion of undercooked poultry, rural water, unpasteurized milk
Fever, severe lower abd pain, diarrhea w/ blood & pus,
Definition
Campylobacter jejuni
Term
affects lungs (rhinitis, hemoptysis, cxr - interstitial lung dz, infiltrates, cavitary nodules) and kidneys (nephritic syndrome - hematuria, oliguria, none-mild proteinuria, edema, HTN)
Definition
Granulomatosis w/ polyangtis (aka Wegener's granulomatosis)
Term
npehritic syndrome, spares upper resp, serum anti-GBM Abs, CXR - normal or bilat perihilar patchy infiltrates
Definition
Goodpasture's syndrome - linear deposits (IF)
Term
MC nephrotic syndrome, IgG and C3 at BM, "spike and dome"
Definition
membranous glomerulonephritis
Term
low serum C3, IgG/C3 granular pattern (lumpy-bumpy)
Definition
Postinfectious GN
Term
cellulitis or impetigo
Definition
Staph aureus & strep pyogenes
Term
erythema multiforme - target lesions
Definition
mycoplasma pneumoniae
Term
UTI in newly sexually active adolescent females, gram-pos, catalase-pos, coagulase-neg, novobiocin-resis coccus,
Definition
Staph saprophyticus - 2nd MCC cystitis after E coli
Tx - quinolones
Term
Gram-pos, catalase-pos, coagulase-neg, novobiocin-sens, coccus, creates biofilms on prosthetic device & valves (bacterial endocarditis), catheters
Definition
S epidermidis
Term
MCC UTI, Gram neg, traveler's diarrhea, neonate pneumonia
Definition
E coli
Tx - 3rd gen cephalosporin, FQ
Term
Gram-neg, lactose and glucose fermenting, oxidase neg, catalase pos, rod, 3rd cause UTI, leading cause pneumonia in alcoholics/diabetics, thick red sputum
Definition
Klebsiella
Tx - 3rd gen cephalosporin
Term
lesion above medullary pyramid
Definition
lose motor contraol opposite side
ex. R internal capsule lesion - hemiparesis on L side
Term
MCC death after MI
Definition
hrs to days - arrythmia (pulseless v tach, v fib --> asystole)
5-10 days - free wall rupture & tamponade, papillary mm & interventricular septum rupture
mon-yrs - aneurysm of ventric scar
Term
MI histology
Definition
0-4 h normal
4-12 h hypereosinophilia
12-24 h neutrophilic infiltration, beginning of coag necrosis
2-4 days eextensive NT infiltration, extensive coag necrosis
5 days granulation, macrophages
6-8 wks contracted scar
Term
tremor that worsens w/ movement (intention tremor) or when attempting to hold position for period of time (postural)
Definition
Essential tremor - improves w/ EtOH
Tx - propranolol (nonselective BB)
Term
Benztropine
Definition
Use - tremor & rigidity of Parkinson's
MOA - Ach-R blockade
Term
LE edema in pregos d/t
Definition
INC femoral venous pressure occurs bc of occlusion of pelvic vv & IVC by enlarged uterus. INC venous pressure --> INC hydrostatic pressure --> dependent edema
Term
summer/fall, prodrome (fever, chills, NV, HA) followed by encephalitis (seizures, somnolence, obtundation, asymmetrical reflexes, + Babinski, coma)
Nonfatal encephalitis in kids, occurs usually summer/fall
Definition
California enephalitis virus (La Cross virus - Bunyavirus family) - ssRNA, 3 segments, env, capsid
Spread by Aedes mosquitos
Term
Community acquired pneumonia tx
Definition
macrolide (erythromycin)
MOA - motilin agonist (secreted by gastric, intestinal & colonic enterochrommaffin & Mo cells; controls motility during fasting state via MMCs; acts on G-protein R, INC motility stomach/intestings
SE - NVD
Term
CNS & GI neutrotransmitter - cause signif intestinal secretion electrolytes (and water), relax intestinal smooth mm & sphincters, inhib gastric acid secretion, dilate peripheral BV
Dz - diarrhea, hypokalemia, low gastric acid, dehydration
Definition
VIPoma
Dx - elev plasma VIP
Tx - fluid & K rep, somatostatin analogs (octreotide, lanreotide); adv - embolization, chemotherapy, radiotherapy, radiofreq ablation
Term
achalasia
Definition
degen myenteric plexus (lie bet longitudinal & circular layer esophagus) - can't rel NO = dilates LES
Dx - barium swallow
Term
Ghrelin
Definition
hormone prod by stomach, pituitary, hypothalamus
MOA - stim GH, induce gastric emptying & acid secretion, reg appetite & energy
Prader-Willi have INC ghrelin - fat
Term
Gastrin
Definition
prod by gastric G cells in response to peptides and aa, stomach distention, vagal stim
Zollinger-Ellison syndrome (gastrinoma) - excess gastric acid, arise in DUODENUM (less likely in pancreas where it's more malig)
Dx - INC gastrin, give IV secretin (normal gastric cells inhib by secretin), tumor localted w/ US or radionuc octreotide scanning
Tx - acid suppression w/ PPI (omeprazole), surg exploration
Term
TB Rx side effects
Definition
Rifampin - hepatotoxicity* (follow LFTs), orange-red body fluids, MOA - inhib RNA poly (P450 inducer)
INH - peripheral neuropathy (give B6), MOA - inhib mycolic acid syn (P450 inhibitor)
Pyrazinamide - nongouty, arthralgia
Ethambutol - color-blindness, optic neuritis, MOA - obstruct cell wall
Streptomycin - ototoxicity & nephrotoxicity, bind 30S, inhib protein syn
Term
Collagen types
Definition
Type 1 - bone, tendons, skin, fascia, dentin, cornea, ex Osteogenesis imperfecta - multiple fx after min trauma, blue sclerae, hearing loss, dental imperfection
Type II - cartilage, vitreous body, nuc pulposis, ex achondrogenesis - lethal neonatal disorder (large head, short neck, lung hypoplasia, short limb)
Type III - skin, BV, uterus, fetal, granulation tissue, ex Ehler-Danlos syndrome (EDS) - hyperelastic skin, hypermobile jt, easy bruising, transluscent skin, scoliosis, pes planus, assoc w/ berry aneurysm, MVP, organ rupture, also - Marfan syndrome
Type IV - basement membrane (kidney, lung alveoli, ears, eyes), epidermis basal lamina, ex Goodpasture's (RPGN, pulm dz), Alport's syndomre - hematuria, progressive GN, sensorineural hearing loss, cataracts
Type VII - fibrils at dermoepidermal jxn, ex. dystrophic epidermolysis bullosa (DEB) - blistered skin after minor trauma, mitten-like deformities (infancy)
Term
osteitis fibrosis
Definition
can be d/t chronically elev PTH (secondary to chronic kidney dz)
Tx - low phosphate diet, admin of phosphate binders
Term
episodic digital ischemia -- blanching, cyanosis, rubor of digits
Definition
Raynaud's pnenomenon
Tx - CCB - relax smooth mm, also used for angina, HTN< SVT, hypertrophic cardiomyopathy, migraine
dihydropyridines* (-pine, ex amlodipine)
(Note - non-dihydrophyridine - diltiazem & verapamil)
Term
pentoxifylline
Definition
Use - peripheral artery dz, intermittent claudication
MOA - DEC blood viscosity
Term
alpha-galactosidase A defiency, accum ceramide trihexide (esp in cardio), renal failure MCC death
Definition
Frabry dz - X linked recess, cardiac/renal dz, peripheral neuropathy (glove/stocking distrib), angiokeratoma (purple-red skin lesions), DEC vision
Note auto recess: Krabbe, Gaucher, Niemann-Pick, Tay-Sachs
Term
beta-glucocerebrosidase deficiency, accum glucocerebroside, "wrinkled tissue paper" macropahges
Definition
Gaucher dz - deposits
Term
galactocerebrosidase deficiency, accum galactocerebroside
Definition
Krabbe dz (globoid cell leukodystrophy) - auto recess, CNS probs, peripheral neuropathy, globoid cells
Term
hexosaminidase A deficiency
Definition
Tay-Sachs, accum GM2 gangliosides (esp in neurons), dev delay, progressive neurodegen, lysosomes "onion skinning"
Term
Coxiella burnetti
Definition
Q fever: atypical pneumonia (sometimes hepatitis)
Gram neg intracellular, transmit via inhaled spores or aerosolized animal feces, urine (sheep/cattle), NEG Wil-Felix rxn
Term
Rickettsia typhi
Definition
intracellular organism, + Weil-Felix rxn, transmit by tick/flea, endemic typhus, flu-like sx, truncal rash spread to rest of body
Term
Renal tubular acidosis
Definition
All 3 RTA - hyperchlroemic metabolic acidosis w/ normal anion gap (normal <12)
Type 1 RTA - kidney can't secrete H+ into collecting tubule --> cause INC K excretion into urine --> acidosis; susceptible to Ca urinary stones bc alkaline urine promotes stone formation
Type II - prox tubule can't reabsorb HCO3; caused by multiple myeloma & amyloidosis - INC delivery HCO3 to distal nephron results in INC K secretion
Type IV - MC, ALD deficiency or antag of ALD - disrupt Na reabsorp & K/H secretion in collecting tubule, ex Addison dz - ALD deficiency; unique - hyperkalemia
Term
ACTH-secreting pituitary tumor --> cause adrenal hyperplasia --> INC CORT
Definition
Cushing's dz
Dx - low dexamethasone supp test: 8AM cortisol level >1.8, high dex supp test - DEC CORT by at least 50%
Note: Cushing syndrome - adrenal tumor or ectopic ACTH-prod tumor and doesn't respond to dex supp test, Dx - 24 h urine - INC free CORT, Tx - tumor resection, glucocorticoid rep
Term
Chapman - bet transverse process T7 & T8 on R
Definition
liver
Term
Chapman - bet spinous & transverse proess T11 & T12
Definition
adrenals
Term
Chapman - bet spinous & transverse process T12 & L1
Definition
kidneys
Term
Chapman - IC space on L
Definition
spleen
Term
Chapman - sup edge transverse process L2
Definition
bladder
Term
xanthocromia
Definition
yellow CSF - caused by blood mixed w/ CSF (Hgb broken down into bilirubin = yellow)
Subarachnoid hemorrhage
Term
Memantine
Definition
Use - 2nd line Rx dementia, for pts who can't tolerate NV of other dementia Rxs
MOA - block NMDA-R, prevent glutamine-induced neurotoxicity
SE - hallucination
Term
Modafinil
Definition
Use - 1st line narcolepsy: sleeping difficulty at night, excess daytime sleepiness, cataplexy (loss of mm tone w/ strong emotions)
MOA - block GABA
Term
Tourette syndrome Tx
Definition
Haloperidol or pimozide - dopamine (D2)-R blocker
Term
Huntington's dz tx
Psych sx (personality changes, mood disorders, cognitive impairment), dementia, chorea
INC dopamine --> DEC GABA inhib in basal ganglia --> DEC Ach = chorea
Definition
Haloperidol - block dopamine-R
VMAT (vesicular monoamine transporter)
Tetrabenazine & reserpine - prevent dopamine rel into synaptic cleft
Term
Zolpidem
Definition
hyptonic, short-term insomnia - sleep initiation, but does not help w/ sleep maintenance
MOA - bind GABA type-A-R
SE - parasomnias (binge eating, walking while aslp)
Term
Donepezil
Definition
Ach-esterase inhibitor - 1st line Alzheimer's dementia
MOA - DEC Ach metab in synaptic cleft
SE - NV --> dehydration
Term
palpitation, HA, profuse swewaing
Definition
pheochromocytoma
Tx - non-selective alpha block (phenoxybenzamie & phentolamine)
Term
Atropine
Definition
block muscarinic-R --> prevent rel IP3, inhib adenylyl cyclase --> anticholinergic effects (mydriasis-dilated pupil, cycloplegia-loss acccomodation, cutaneous vasodilation, bronchodilation, DE salivry, supp thermoreg sweating
Use - Parkinson's, motion sickness, opthalmologic disorders, asthma, COPD, poisoning by muscarinic agonists (organophosphates, mushroom, "nerve gases")
Term
Gram neg, "2 shaped" spirochete, cause flu-like sx + abd pain + photophobia
Definition
Leptospira -- leptospirosis
More severe leptospirosis = Weil's dz (aseptic, ictohemorrhagic): jaundice, azotemia, hemorrhages, anemia, Dx - spinal tap
Term
B12 deficiency
Definition
megaloblastic anemia, hypersegmented NT (also d/t folic acid defic)
Eventually have neuro sx, but not present initially
INC serum methymalonic acid (MMA), homocysteine levels, B12 normal/DEC (Note - folic acid has normal MMA, both have INC homocysteine)
Term
Congenital defects by mom using these Rxs
Definition
lithium - Epstein's anomaly - downward displacement tricuspid valve, cyanosis, palpitation, exertional dyspnea, S3/S4 systolic murmur, ECK - R atrial hypertrophy, assoc w/ Wolff-Parksinson-White syndrome
Thalidomide - malformed arms/legs (phocomelia)
Lisinopril - fetal hypoTN, anuria, oligohydramnios, IGR (intrauterine growth restric)
Streptomycin - deafness
Doxycycline - stained teeth, abnorm bone growth
Term
Sleep walking (somnambulism) tx
Definition
tricyclic antidepressant - imipramine, benzodiazepine - clonazepam
MOA - shorten sleep stages 3-4 (when sleep walking occurs)
Use - pts w/ freq episodes, prone to injury
Usually kids 4-10 (but can at any age)
Term
Reading EKGs
Definition
Normal:
PR interval <200 msec
QRS complex <120 msec
QT interval - less than half distance bet QRS complex (<420 msec)
Delay in AV node 100 msec
Term
Heart blocks
Definition
1st degree (AV block) - PR interval >200 msec, QRS complex following P wave is diagnostic, asymptomatic, no Tx
Mobitz type 1 (Wenckebach) - PR-int lengthens bet each cardiac cycle until beat dropped, asymptomatic, no Tx
Mobitz type 2 - dropped beats at reg intervals (every other beat), consistent PR interval when QRS follows P wave (2:1, 3:1), can progress to 3rd degree AV block, Tx - pacemaker
3rd degree block (complete heart block), P waves "march along" w/ no meaningful relation to QRS complex, Tx - pacemaker
Note: If 3rd deg block caused by neg chronotropic Rx (BB, digoxin, CCB) - stop Rx, or by infection (Lyme dz - tx infection)
Term
Complication of rapid hyponatrmia correction
Definition
central pontine myelinosis (CPM) - occurs if pt chronically exposed to hyponatremia - loss of osmolytes in brain in order to prevent cerebral edema
Correction can occurs faster than creation of osmolytes --> water pulled out of cells by osmosis --> shrink cells --> demyelination
Risk factors: Na <120, 2+ days, rapid correction (raise Na <10 in 1st 24 h and less than 21 in 1st 48)
Sx - dysarthria, dysphagia, paralysis, coma, seizure, "locked in" syndrome
Note: cerebral edema fr hyponatremia - physiologic adaptation of brain cells to lose osmolytes to limit water that enters it
Term
Bipolar disorder
Definition
Bipolar I - full blown mania (spending spree, indescretions) +/- depression
Bipolar II - MDD + hypomania
Rapid-cycling bipolar - 4+ episodes MDD, mania, hypomania, mixed w/in 12 mon
Cyclothymic - hypomania + mild depression alternating for at least 2 yrs
Pure mania: 1 wk w/ at least 3 of DIG FAST - distractability, insomnia, grandiosity, flight of ideas, activity INC, sleep deficit/sexual indiscretion, talkativeness
Term
severe vomiting - pyloric stenosis
Definition
hypchloremia, hypokalemia metabolic alkalosis - both HCl and KCl lost fr gastric fluid
Body corrects alkalosis by uptaking H+ and releasing K (via H/K+ exchanger) further contrib to hypokelamia
Term
inactiv transcription WT1 or WT2 on chrom 11
Definition
Wilm's tumor - age 2-5, asymptomatic abd mass, fever, hematuria, HTN, incidental finding, can show up as WAGR complex (Wilm's tumor, Aniridia, Genitourinary malformation, mental-motor Retardation)
Term
amplification of N-myc oncogene on chrom 2
Definition
neuroblastoma - can present a/ abd mass, irreg shape, firm, crosses midline
Term
translocation of long arm chrom 21 to chrom 14
Definition
Trisomy 21
Term
overexpression c-kit proto-oncogene on chrom 4
Definition
gastrointestinal stromal tumor (GIST) - adult malignancy
Term
inactiv Rb tumor suppressor gene on chrom 13
Definition
retinoblastoma - MC childhood intraocular malig, white papillary reflex (leukocoria "absent red reflex")
Term
dimorphic mycoses (cold=mold, heat=yeast), S and central America (esp Brazil), cause pneumonia, granulomatous dz that mimic TB, large circle w/ multiple budding yeast (pilot wheel)
Definition
Paracoccidioides brasinliensis
Tx - Fluconazole, ketokonazole (local), amphotericin B (systemic)
Term
testicular pain
Definition
tesicular torsion - absent cremasteric reflex
epididymitis - present cremasteric relfex, MCC <35 yo = Chlamydia (Tx - ceftriaxone/doxycycline or azithromycin), >35 yo = E coli
Term
skin "keratin pearls," scaling, indurated, ulcerated nodule on sun-exposed part )arms, back of hands, lower face)
Definition
squamous cell carcinoma
Dx - sheets & islands of neplastic epidermal cells ("keratin pearls"), rarely mets, Tx - resection
Can arise fr actinic keratoses (premalig lesion) or Bowen's dz (squamous cell CA in situ)
Term
appears on sun exposed areas of upper face/head, pearly papule w/ telangiectasia, Bx - darkly staining basaloid cells w/ palisade nuclei at perphery of tumor cell
Definition
Basal cell CA
Term
benign prolif immature keratinocytes, hyperpigmented lesion, warty "stuck-on" look, histo - papillomatous epi prolif of basaloid cells containing horn cysts
Definition
seborrheic keratosis
Term
pre-malig (can progress to SCC), atypical epidermal keratinocytes, rough scaly papule, histo - hyperkeratosis, parakeratosis
Definition
acitinic keratosis
Term
Demeclocycline
Definition
Tetracycline - SE: photosensitivity, abnorm bone & teeth
Use - SIADH
MOA - ADH antag, block ADH V2-R in distal tubule --> DEC reabsorp of free water into blood, kidneys excrete more dilute urine (hypernatremia w/ very dilute urine)
Term
Dexamethasone (GC)
Definition
Use - ashtma, Addison's dz (DEC GC prod bc damaged adrenals; adrenal crisis - hypoTN, hyperK, metabolic acidosis bc loss ALD)
MOA - inhib phopholipase A --> prod leukotrienes & PGs
SE - Cushing's syndrome
Term
Gram neg, facultative anaerobic, cause cellititis or osteomyelitis, bites fr cats/dogs, osteomyelitis: systemic (fever, chills, lethargy, irritability), localized (pain, edema, erythema, DEC ROM)
Definition
Pasteurella multocida
Tx - amoxicillin & clavulanate
Term
bony enlargement DIP and PIP jt, brief am stiffness, xray - narrow jt space, osteophyte formation & bone cysts
Definition
osteoarthritis
Term
painless chancre, swollen inguinal LN, single, open lesion on penis
Definition
Treponoma pallidum - syphillis
primary stage - painless chancre, enlarged LN
2ndary stage - maculopapular rash (soles/palms/trunk), contagious
Tertiary - yrs to decades later - granulomas ("gummas") thruout body, neuro & aortic sx
Tx - penicillin G - block cross-linking of peptidoglycans in cell wall
Term
block protein syn at 30S subunit ribosome
Definition
aminoglycoside, tetracycline
Term
block peptidoglycan syn
Definition
vancomycin, bacitracin
Term
block mRNA syn
Definition
rifampin
Term
block nucleotide syn
Definition
sulfonamides, trimethoprim
Term
transudative effusion
Definition
CHF, nephrotic syndrome, thromboembolism, cirrhosis
INC serum hydrostatic pressure (CHF), DEC serum oncotic presure (nephrotic syndrome, cirrhosis)
Term
exudative effusion
Definition
cloudy, high protein, LDH
Term
Renal bx - crescents (parietal cells & leukocytes) within glomeruli,
Definition
Rapidly progressive GN (RPGN) - progressive decline of renal fxn over days-mons
Type 1 - anti-GBM Abs (Goodpasture's), Tx - plasmapheresis, steroids
Type 2 - post-infectious glomerulonephritis, lupus nephritis, IgA nephropathy
Type III - Wegener dz or microscopic polyangiitis (pauci-immune)
Other Tx - steroids, cytotoxic agents
Term
mesangial & endothelial cell prolif, thickened capillary walls, splitting of GBM ("tram-track")
Definition
membranoproliferative glomerulonephritis (MPGN)
Term
sclerosis of some glomeruli, INC matrix, hyalinosis along capillary wall - HIV, heroin, sickle cell
Definition
Focal segmental glomerulosclerosis
Term
immune complex deposits subepi of BM, diffuse thickening of glomerular cap wall
Definition
membranous nephropathy
Term
Norepinephrine
(tyrosine --> L dopa --> dopamine --> norepi --> epi); degraded by monoamine oxidase (results in VMA which is secreted in urine, Dx renal NE-prod pheochromocytoma)
Definition
NT & hormone
fight/flight, alertness, attention, learning
INC heart contractility (beta-1), BP (alpha-1), glucose rel (beta-3), smooth mm contraction (alpha-1)
Term
Precursors
Definition
glutamate --> GABA (catalyzed by glutamate decarboxylase, req B6, learning/memory)
tryptophan --> serotonin (prod by tryptophan hydroxylase, can metab to melatonin)
Tyrosine --> L dopa (thru tyrosine hydroxylase), Tx Parkinson's
Term
painless, gradual progressive visual field loss, optic nn changes ie atrophy & optic disk cupping, INC ICP
Definition
open-angle glaucoma
Tx - timolol - nonselective beta antag
Note: close-angle glaucoma - painful, d/t obstruction of aqueous flow
Term
block nicotinic-R
Definition
ganglion-blocking drugs - hexamethonium, pentolinium, mecamylamine & trimethaphan
MOA - inhib postgang transmission, block all autonomic outflow, DEC secretion of all bodily fluids, orthostatic hypoTN, impotence, visual disturb
Term
block dopamine-R
Definition
phenothiazines (-zine, chlorpromazine, thioridazine, trifluoperazine), & butyrophenones (haloperidol, droperidol - antipsychotics)
Term
Lung bx findings
Definition
anthracotic pigment - Coal Worker's pneumoconiosis (anthracosis in high pop cities, coal workers)
brown dumbbell-shaped rods in macrophages - asbestosis
hyphae & yeast - aspergillus, bastomyces, histoplasma, coccidiodes
Caseating granuloma - TB
Noncaseating granuloma - sarcoidosis (bilat hilar LAD)
Term
HAART therapy
Definition
2 NRTI (zidovudine* - bone marrow suppression, anemia) + NNRT (efavirenz) or protease inhib (-avir)
Term
Conivaptan
Definition
ADH antag (-vaptans)
Use - SIADH
MOA - block V2 ADH-R in collecting tubule, DEC ADH's effect
Term
Bumetanide
Definition
loop diuretic - inhib Na/K/2Cl transporter in thick asc loop of Henle
Term
Chlorthalidone
Definition
thiazide diuretic
MOA - DEC reabsorp NaCl in distal convoluted tubule, inhib transporter
Term
necrotizing arteritis of medium vessels, affects skin, CV, renal/mesenteric, nervous sys; livedo reticularis, subcut nodules, digital gangrene, ulcer, HTN, abd pain w/ meals (mesenteric ischemia)
Definition
Polyarteritis nodosa
Check hep B serology
Dx - Bx, mesenteric angiography
Term
propenecid
Definition
Inhib renal excretion of amoxicillin & other PCNs
INC uric acid excretion in gout pts
Term
osteomyelitis risk factors
Definition
diabetes, open fractures, IVDA
S/S - edema, warmth, tenderness to palpation, late presentation, DEC ROM, INC ESR
MCC - S aureus - Gram pos coccus, catalase & coagulase pos
MCC in DM, foot wounds - Pseudomonas - gram neg bacilli
MCC in sickle cell pts - Salmonella - Gram neg bacillus, non-lactose fermenting
Term
Body dysmorphic disorder tx
Definition
cognitive behavior therapy (CBT) + SSRI
Term
malathion & parathion poisoning
Definition
organophosphate poisoning
MOA - inhib AchE --> DUMBBELSS
Tx - atropine
Term
inhib fusion proteins in terminal membrane
Definition
botulinum toxin
Normally - Ach rel occurs when voltage channels open, result in Ca influx --> fusion of vesicles containing Ach w/ surface membrane --> Ach rel into synaptic cleft
Term
inhib binding Ach to neuromusc end plate-R
Definition
neuromusc blocker - tubocurarine & -ium (pancuronium, vecuronium, pipecuronium, atracurium)
Use - mm relaxant, adjunct w/ anesthesia, intubation
Term
H2 antagonists
Definition
Cimetidine, ranitidine, famotidine, nizatidine
MOA - bind to gastric parietal cells --> inhib histamine induced rel of acid
Use - duodenal/gastric ulcer, GERD, prevent stress ulcers
SE - gynecomastia (also omeprazole), impotence
Term
Simethicone
Definition
anti-flatulence
MOA - coat gas bubbles & cause them to collapse
Term
Calcium carbonate
Definition
antacid - also magnesium hydroxide (think motility), aluminum hydroxide
MOA - neutralize stomach acid by prod water fr HCl
Chronic consump + drink milk --> milk-alkali syndrome (hyperCa, met alkalosis, renal insufficiency)
Term
Coombs test
Definition
differ immune-mediated hemolysis fr non-immune mediated
(+) Coombs = autoimmune hemolytic anemia (AHA) - idiopathic, 2ndary to dz
Smear - spherocytes, fragmented RBCs
Term
Benzodiazepine
Definition
-pam & -lam: diazepam, lorazepam, clonazepam, midazolam
Use - sedative, hypnotic, anxiolytic, anticonvulsant, mm relaxant
MOA - enhance GABA, depress CNS
Tx - Flumazenil - competitive benzo-R antag, binds GABA-R but doesn't activ them, DEC benzo POTENCY
Term
painful, slow-healing genital ulcer, gray-yellowish, hard (indurated) irreg borders, tender inguinal adenopathy
Definition
Chancroid - Haemophilus ducreyi, chocolate agar, "school of fish"
Tx - azithromycin or ceftriaxone (low yield)
Term
fluid filled collection in popliteal fossa, can rupture causing pain, calf swelling, erythema; occurs in rhem arthritis, osteoarthritis, meniscal tear
Definition
Baker cyst
Tx - aspirate cyst, conservative
Term
thoracodorsal nn
Definition
innev latissimus dorsi - ADduction, int rot arm
Clinical - injured during mastectomy, also long thoracic nn (paralysis serratus ant --> winged scapula)
Term
sciatic nn (L4-S3)
Definition
injured in femur, pelvic fractures, hip dislocation, trauma to butt/thigh
Motor innerv to hamstrings, all mm below knee; sensory to post/lat leg, sole of foot
Term
ankylosing spondylitis
Definition
young males, inflamm arthritis affect spine, sacroiliac jt (back pain radiates to thigh), fusion "bamboo spine", assoc w/ HLA-B27, FamHx of ankylosing spondylitis, psoriasis, reactive arthritis, IBD
Term
Reactive arthritis
Definition
aka Reiter's syndrome - conjunctivitis, urethritis, arthritis (can't see, pee, climb tree)
Presents after chlamydia or enteric infxn
Term
Gonococcal arthritis
Definition
migratory, leads to tenosynovitis (pain, swelling, difficulty moving jt), pustules over palms/soles
Term
De Quervain's tenosynovitis
Definition
thicken tendons of ABductor pollicis longus & extensor pollicis brevis fr acute/repetitive trauma
Wrist pain on radial side
+ Finkelstein test - flexion of thumb across palm & ulnar deviation of wrist --> sharp pain
Day-care workers due to rep lifting of infants
Term
congenital rx defect
1) cleft lip/palate
2) flipper-like hands
3) spinal defects
4) Epstein's anomaly
5) microcephaly, smooth filthrum, cardiac septal defect, small palpebral fissure, midfacial hypoplasia, micropthalmia
Definition
1) diazepam
2) thalidomide
3) valproic acid
4) lithium
5) FAS
Term
Non-lactose fermenters = form white colonies on MacConkey's agar
Definition
Salmonella, Shigella, Proteus, Pseudomonas
(vs E coli, Enterobacter, Klebsiella = pink colonies)
Term
Gram neg, lactose(-), flagellar motility, transmit by contaminated food or fecal-oral routes
Definition
Salmonella
Term
BLACK - fly, skin, and sight (blindness): subcutaneous nodules, hyperpig saggy skin, river blindness, transmit by blackflies (Africa, S & Central America)
Definition
Onchocerca volvulus - nematode, live in skin/eyes
Tx - Ivermectin
Term
vit defic - blindness (affect retina), DEC immune response, growth retard, dry skin, hair, broken fingernails, repro (spontaneous abortion)
Definition
Vit A defic
Term
older females, Hep C, 4 P's: pruritic, purple, polygonal, papules
Definition
Lichen planus
Tx - Corticosteroids
Term
>65, low back pain radiates to butt/thighs, worse w/ standing & walking, improve w/ lumbar flexion & sitting (INC space in lumbar spinal canal)
Definition
spinal stenosis ("pseudoclaudication")
Term
back pain worse w/ flexion & sitting & relieved w/ standing
Definition
thoracic/lumbar disc herniation
Term
nucleus solitarius (solitary nucleus)
Definition
sensory fr CN VII, IX, X = taste
Term
nucleus ambiguus
Definition
motor neurons fr CN IX, XI = innerv upper esophagus, pharynx, larynx, uvula
Term
dorsal motor nucleus
Definition
CN X autonomic nn for parasym innerv of viscera: GI tract, lungs, heart
Term
red nucleus
Definition
motor nucleus in midbrain - coordinate arm/shoulder movements
Term
inferior olivary nucleus
Definition
located in medulla, connected to & aids in cerebellar motor learning
Term
hypertriglyceridemia, INC chylomicrons - altered ApoC2 or lipoprotein lipase defic
Definition
Type 1 Familial hyperlipidemia; kids - xanthomas, abd colic
Term
INC LDL - defic LDL-R
Definition
Type IIa (familial hypercholesterolemia), MC, tendon xanthomas, xanthelesma, corneal arcus
Term
INC LDL, VLDL - defective ApoB100
Definition
Type IIb (familial hypercholesterolemia)
Term
INC TRIG (200-500) & IDL - defective ApoE2
Definition
Type III (familial dysbetalipoproteinemia)
Term
INC VLDL leads to INC TRIG (high TRIG assoc w/ pancreatitis)
Definition
Type IV (familial triglyceridemia)
Term
INC VLDL, chylomicrons, TRIG - defective lipase or ApoC2 (like type I)
Definition
Type V (familial hyperlipoproteinemia)
Term
disc herniation C7-T1 (C8 nn root)
Definition
weakness handgrip, numbness, little finger & medial forearm
Term
disc herniation C6-7 (C7 nn root)
Definition
weakness/numbness middle finger, elbow extensor mm, DEC triceps reflex
Term
C5 nn root impingment
Definition
DEC biceps reflex, numbness lateral elbow
Term
T1 nn impingment
Definition
weakness finger ABductors (also in C8 impingment)
Term
C6 nn impingment
Definition
numbness lateral forearm, numbness thumb, wrist extensor weakness, DEC brachioradialis reflex
Term
test to assess if another MI occured
Definition
CK-MB - appears 4-6 h after Sx onset, peak at 24 h, normal in 3 days
Term
INC myocardial work
Definition
INC viscosity (ex erythrocytosis - INC H&H fr EPO doping) --> INC peripheral vasc
Hct - INC coagulability & peripheral thrombi can occlude small arteries/arterioles
Term
difficulty breastfeeding after delivery (DEC PRL), amenorrhea wks-mon after delivery (d/t DEC LH, FSH), hypothyroidism sx (DEC TSH)
Definition
Sheehan syndrome - necrosis ant pituitary after delivery d/t massive hemorrhage during delivery, can lead to hypoTN & shock
Term
Glucose-6-phosphatase deficiency
Definition
Von Gierke's dz
Term
defect in chrom 5
Definition
Cri du chat syndrome
Term
defect in FMR1 gene
Definition
Fragile X syndrome
Term
post column & dorsal root damage secondary to tertiary syphillis, prorprioception impairment, loss DTR, unsteady gait, formication, Argyll Robertson pupils
Definition
Tabes dorsalis
Term
Anti-Jo-1 Ab
Definition
dermatopolymyositis
Term
HLA-B27
Definition
ankylosing spondylitis, psoriasis, reactive arthritis, IBD
Term
invasive cervical CA sx
Definition
postcoital spotting (after sex), vague abd pain, bleeding, watery discharge, spread to pelvic side walls, ureteral compression --> hydronephrosis
Term
INC MCHC
Definition
reflective of loss of red cell membrane surface area & cellular dehydration
Dx - hereditary spherocytosis - mut spectrin, ankyrin, paladin - defected membrane --> spherical, less deformable
Test - osmotic fragility test; can be acquired thru G6PD defic
Term
mid age F, fatigue, pruritiy, RUQ pain, jaundice, hepatomegaly, hypercholesterolemia (xanthomata & xanthelasmata), INC IgM, ESR, alk phosphatase, GGT, antimitochondrial Abs* (hallmark)
Definition
Primary biliary cirrhosis
Term
inhib R on mast cells
Definition
cromolyn sodium
MOA - stabilizes mast cell membrane fr getting sensitized, inhib rel of inflamm compounds
Use - allergic rhinitis, conjunctivitis
Term
begins w/ "herald patch" - larger than patches that arise after, clear centrally, slight pruritis, trunk; precede general eruption by 1-2 wks, "christmas tree" look
Definition
pityriasis rosea
Dx - KOH (to r/o tinea corporis)
Tx - none
Note - tinea corporus similar, but involves exposed skin area
Term
affects kids, hypopigmented patches esp after sun exposure
Definition
Pityriasis alba
differ fr tinea versicolor by KOH prep
Term
necrotizing erythema, DM, wt loss, glossitis, stomatitis, cheilitis, DEC aa (by gluconeogenesis fr aa), INC glucagon
Definition
Glucagonoma - arise in pancreatic alpha cells
Dx - US/CT
Tx - symptomatic - octreotide, surg vs chemo
Note: beta cells - insulin, delta - somatostatin
Term
common cold: nasal discharge, sneezing, congesetion
Definition
Rhinovirus (picornavirus family) - non-env, ss, linear, icosahedral, transmit via resp inhalation, occur fall (Aug-Oct) & spring (Mar-May)
Term
pneumonia in kids <.5, wheezing, labored breathing
Definition
RSV - neg, ssRNA
Tx - Ribavarin (pneumonia)
Term
high fever, myalgia, not assoc w/ nasal discharge
Definition
Influenza - genetic drift/shift, hemagglutin (viral entry), neuraminidase (release) virulence
Elderly, kdis, immunodeficient at risk for secondary pneumonial bacterial superinfection
Tx w/in 48 hrs - oseltamavir, zanamivir neuramindase-inhibitors
Term
MCC colds in winter
Definition
Coronavirus - env, +ssRNA, helical
Also responsible for SARS
Term
murmur that INC w/ valsalva & standing
Definition
hypertrophic cardiomyopathy (hypertrophy of interventric septum) - systolic murmur at L sternal border that INC w/ valsalva/standing
Squatting DEC murmur
MVP
Term
staghorn calculi
Definition
struvite (triple phosphate) - can grow large, block ureter; urine alkaline by urease bacteria (proteus), making phosphate stones more likely to develop
Tx - nephrolithotomy
Term
calcium oxalate or calcium pyrophosphate stone
Definition
MC kidney stone - assoc w/ primary hyperparathyroidism (due to hypercalciurea), renal tubular acidosis
Term
uric acid stone
Definition
radioluscent (can't see on xray), byproduct fr breakdown of nucleic acids; pt has metabolic disorder, on chemo rxs, or obese
Term
cysteine stone
Definition
pt has hereditary defect in metab of 4 aa: cystine, ornithine, lysine, arginine; fail to transport across prox convoluted tubule --> urine rich in cysteine, precipitate to stones
Term
autoimmune, excess colalgen depsoit thruout body, esp skin, GI tract, lungs, kidneys, sclerodactyly, ANA Abs (sensitive), anti-centromere ab (specific for CREST syndrome, a variant of scleroderma, better prog), anti-DNA topoisomerase I ab (anti-Scl ab - most specific)
Definition
Scleroderma - skin atrophy, hair loss, telangiectasia, tight facial features, absence wrinkles, sclerodactyly (taut, shiny skin), Raynauds
Term
Preventative screenings
Definition
Colon CA: colonoscopy x 10 yrs, sigmoidoscopy x 5 yrs, or
fecal occult yrly start at 50 yo
mammogram x 2 yrs start at 50
cervical CA at 21
osteoporosis (DEXA scan) start at 65
pneumococcal vaccine
Term
digestive proteins
Definition
pepsin - protein (stomach)
enterokinase - intestinal brush border enzyme, activ proteolytic enzymes by pancreas & SI
Trypsin, elastase - secreted by pancreas, intestinal protein digestion
Term
rare myeloproliferative disorder, unexplained hyperprolif megakaryocytes in bone marrow causing thrombocytosis, 1/2 pts have JAK2 tyrosine kinase mut
Definition
Essential thrombocytosis
Dx of exclusioon (r/o CML & polycythemia vera)
Tx - low-dose aspirin
Term
gold sodium thiomalate
Definition
DMARD
Use - RA, slow progression
SE - skin rash, stomatitis, cholestatic jaundice (lead to gen pruritis), nephrotoxicity, bone marrow suppression
Term
nephrogenic diabetes insipidus - DEC ability of collecting tubules to respond to vasopressin, hypernatremia, hyperosmolar serum, hypoosmolar urine
Definition
lithium, demecycline, methoxyflurane
Term
multiple spots on lips, oral mucosa, GI mucosa, <100 GI hamartomatous polyps in small bowel, prone to obstruction/intussusception
Definition
Peutz-Jegher's - risk of colorectal, testicular, uterine, cervical, ovarian & breast CA
Term
premature ovarian failure risk factors
Definition
Turner, Fragile X, chemo, pelvic radiation, chemotherapy, autoimmune
Term
cisplastin
Definition
platinum-based alkylating agent
Use - solid tumors (breast, lungs, GI, head, neck, GU sys)
MOA - prevent DNA syn, excreted thru kidney
SE - nephrotoxicity, neurotoxicity (esp peripheral neuropathy & tinnitis/high freq hearing loss), myeolosuppression
Term
Bulsulfan
Definition
Use - CML
MOA - interfere w/ DNA rep & transcription of RNA
SE - myelosuppression, pulm fibrosis, hemorrhagic cystitis
Term
Vincristine
Definition
chemo agent (vinca alkaloid)
MOA - block formation of microtubules (tubulin)
SE - glove-and-stocking neuropathy, reversible
Term
Etoposide
Definition
antineoplastic
MOA - inhib topoisomerase II (like anthracycline), damage DNA
SE - alopecia, GI distress, myelossupression
Term
Docetaxel
Definition
chemo agent
MOA - prevent disasssembly of microtubules (similar to arresting cell in mitosis)
Use - mets ovarian, breast, lung, GU, head & neck CA
SE - peripheral neuropathy
Term
Abs
Definition
anti-thyroid peroxidase (anti-TPO) & anti-thyroglobulin abs - Hashimoto's thyroiditis
anti-TSH-R Ab - Grave's dz
anti-glutamic acid decarboxylase Ab - T1DM
Term
Primary resp mechanism (PRM)
Definition
Inherent motion of brain/spinal cord
Fluctuation of CSF
Mobility of intracranial & intraspinal membrane
Articular mobility of cranial bones
Involuntary mobility of sacrum bet ilia
Term
hypertensive emergency tx
Definition
sodium nitroprusside
MOA - rel NO fr endothelium --> relax arteriole & veins
SE - cerebral hypoperfusion, brain ischemia
Term
hyponatremia, hyperpigmentation, hyperkalemia + adrenal insufficiency sx
Definition
hyperpig fr hypothalamus secreting CRH in order to INC ACTH --> melanin
Term
H pylori triple therapy
Definition
PPI + amoxicillin + clarithromycin +/- bismuth subsalicylate (black stool)
Term
antifungal
Definition
bind ergosterol - amphotericin B, nystatin
inhib ergosterol syn - fluconazole, itraconazole, voriconazole
Term
inhib glucan syn in fungal cell wall
Definition
Caspofungin, micafungin
Term
inhib squalene epoxidase & synthesis of lanosterol precurosr (DEC lanosterol/ergosterol) in fungal cell membrane
Definition
Terbinafine, naftifine
Use - superficial fungal infection d/t dermatophyte, ie onychomycosis (fungal nail), tinea capitis
Term
converts to fluorouracil in fungal cells --> inhib protein syn & cell growth
Definition
Flucytosine
Term
fatigue, weakness, mucosal bleeding, IgM hypersecretion --> hyperviscosity syndrome, bone marrow bx - 10% lymphoid & plasmacytoid cells, no lytic lesions, not assoc w/ renal failure (vs MM), has rouleaux formation, IgM spike & Bence-Jones proteinuria
Definition
Waldenstrom's macroglobinemia - prolif showing plasmacytoid or plasma cell differentiation, viscosity --> HA, visual, deafness, vertigo, engored retinal vv, hemorrhage, papilledema, splneomegaly
Term
UMN lesion
Definition
mm weakness, INC reflex, knife-clasp spasticity (passively flex/extend results in resistance), INC mm tone, spastic paralysis, + Babinski
Term
most sensitive stage of fetal development
Definition
weeks 3-8 "embryonic period" when embryo at highest risk of dev teratogenic dfect
Term
tx for toxicity of folic acid antag: methotrexate (chemo), trimethoprim (abx), pyrimethamine (antiprotozoal)
Definition
leucovorin - reverses neg effects of MTX bc of its inhib of dihydrofolate reducatase
Term
Mesna
Definition
give to pts taking cyclophosphamide or ifosfamide to prevent hemorrhagic cystitis (breakdown product acrolein cause bladder toxicity bc mesna inactiv acrolein)
Term
Essential tremor tx
Definition
propranolol - nonselective BB
Term
CHF Tx
Definition
Furosimide (sulfonamide) - loop diuretic
MOA - Na/K/2Cl transporter in loop of Henle
If have sulfa allergy --> use ethacrynic acid (same MOA)
Term
chronic renal failure complications
Definition
HTN, CAD, CHF, disturbed mineral metab & acid/base homeostasis, uremia --> pericarditis, encephalopathy, peripheral neuropathy
Term
large, encapsulated brownish helminthic eggs in stool, INC IgE & eosinophilia
Definition
Ascaris lumbricoides (nematode - giant roundworm) - MC helminth in world (2nd MC in US after Enterobius)
Can cause: pneumonitis - when larvae reach lungs get dyspnea, wheezing, chest pain & GI blockage - NV, jaundice, abd pain, distention
Tx - bendazole or pyrantel pamoate
Life cycle - eggs ingested, rel larvae go into GI mucosa, travel thru blood to lungs, coughed up and swallowed
Term
eyes - affected by helminth
Definition
Onchocerca volvulus - black flies, river blindness, hyperpig skin
Loa loa - flies, lives under skin & conjunctiva
Term
skin - affected by helminth
Definition
Ancylostoma duodenale, Strongyloides stercoralis, Loa Loa, Schistosoma
Term
urinary tract - affected by helminth
Definition
Schistosoma - penetrates thru skin, cause inflamm of spleen, liver, urinary tract & cause bladder squamous cell CA
Term
brain - affected by helminth
Definition
Taenia solium - cysticercosis, undercooked pork, brain mass lesions
Term
dysphagia + Fe defic anemia
Definition
Plummer-Vinson syndrome
Term
Rx SE - metallic taste, disulfiram-like rxn (make sure pt avoids EtOH), dark urine
Definition
metronidazole
Use - trichomoniasis, pseudomembranonus oclitis, amebiasis, giardiasis, H pylori, Gadnerella vaginosis
Term
Tx aspergillus, bastomyces, coccidioides, cryptococcus, candida, histoplasma
Definition
amphotericin B
Term
congenital infxn - hydrocephaly, chorioretinitis, intracranial calcif (esp basal ganglia), mom ate raw meat, exposed to cat feces
Definition
Toxoplasmosis
Tx - pyramethamine & sulfadiazine
Term
INC ALD fr adrenals, suppressed renin, HTN, hyperNa, hypoK+
Definition
Conn syndrome - HA, high BP
Term
benign, cystic childhood tumor in cerebellum*, hypothalanys, optic chiasm, INC ICP, GFAP + astrocytes w/ Rosenthal fibers (thick, elongated eosinophilic 'worm-like' fibers)
Definition
Pilocytic astrocytoma
Term
benign, firm, resectable brain tumor arise fr arachnoid layer of meninges, MCC primary benign brain tumor, doesn't invade brain, Sx are result of mass effect; seizures, focal dysfxn, change in mental status
Definition
meningioma
Histo - whorls, spindle cells, psamomma bodies (laminated calfic)
assoc w/ NF2
Term
malig cerebellar tumor of early childhood that commpresses 4th ventricle cause hydrocephalus
Definition
Medulloblastoma - radiosensitive
Histo - Homer-Wright rosettes (spoke-wheel halo of cells surrounding central ball-like structure filled w/ fibers)
Term
adult-age tumor, frontal lobes, slow growing, long-standing seizures
Definition
Oligodendrogliomas
Histo - chicken wire blood vessels, "fried-egg" look w/ calcif (round cells w/ demarcated borders & dense nuc surrounded by clear cytoplasm)
Term
adult-age, resectable tumor, occur on acoustic nn, hearing loss, tinnitis
Definition
Schwannomas
Histo - S-100 stain, palisading spindle cells, Verocay bodies, bilat acoustic neuromas found in NF2
Term
mature cystic teratoma (dermoid cysts)
Definition
MC benign ovarian tumor, 2-3 germ cell layers
Dx - US: calcif w/in smooth-walled, round cystic mass; can have struma ovarii* benign, made of thyroid tissue --> thyroid hormone --> hyperthyroidism
Term
ovarian tumor of epithelial origin
Definition
Serous cystadenocarinoma - 50% ovarian CA, bilat, papillary projections, psammoma bodies
Mucinous cystadenocarcinoma - mucus-secreting, can cause pseudomyxoma peritonei (rupture/mets; mucin in peritoneum)
Clear cell tumor (rare endometroid) - resembles endometrium
All epi ovarian malig can have INC CA-125
Term
benign ovarian tumor of epi origin
Definition
Serous cystadenoma - cystic tumor lined by fallopian tube looking epi
Mucinous cystadenoma - multilocular cysts lined by columnar epi, secrete mucin
Brenner tumor - rare, resembles bladder transitional epi, surrounded by fibrous stroma
Term
malig ovarian tumor of sex cord-stromal origin
Definition
Thecoma - lipid containing cells + fibroblasts, estrogen secreting
Fibroma - spindle-shaped fibroblasts, assoc w/ Meigs syndrome (triad of ovarian fibroma, ascites, hydrothorax)
Granulosa-theca cell tumor - estrogen-secreting --> endometrial hyperplasia, precocious puberty, Call-Exner bodies (small follicles w/ eosinophilic secretion)** hallmark
Sertoli-Leydig cell tumor - secrete testot, virilizing sx (hirsutism, deep voice)
Term
malignant tumor of GI origin
Definition
Kruckenberg tumor - mets tumor to ovary fr GI, breast, lung, signet ring cells**
Term
normal P waves followed by QRS complex, prolonged PR interval (>0.2 sec or 5 small boxes) = atrial depol to ventric depol
Definition
First degree AV block - healthy pts, athletes
Asymptomatic, no Tx
Term
tPA (alteplase)
Definition
Use - acute MI, acute ischemic stroke, PE
MOA - conversion of plasminogen to plasmin
Note: do non-contrast CT to r/o hemorrhagic stroke
Term
Direct thrombin inhib - lepirudin, bivalirudin, argatroban, dabigatran
Definition
MOA - direct inhibition of thrombin (converts fibrinogen to fibrin - glue that holds clot together)
Use - disrupt thrombin after alrdy bound to clot
Term
Warfarin
Definition
MOA - inhib vit K epoxide reductase; vit K antag (clotting factors II, VII, IX, X, protein C & S)
Term
Heparain
Definition
MOA - activ antithrombin III --> irreversibly inhib thrombin (factor IIa) & Xa --> prevent further clot, INC speed which antithrombin III degrades
Term
"eye worm," painfun subcutaneous nodules (skin)
Definition
Loa loa - nematode in Africa, India, transmit by flies (deer, horse, mango)
Tx - diethylcarbamazine
Term
Protozoal drugs
Definition
Bendazoles (Mebendazole) - intestinal nematodes (Enterobius, Ascaris)
Diethycarbamazine - tissue-infecting nematodes (Loa loa)
Praziquantel - cestodes & trematodes
Term
lymphocytes of mantle zone of germinal follicles; 11:14 translocation, fever, nigh sweats, ALD, HSM, GI upset
Definition
mantle cell lymphoma - malig, overprod cyclin D
Term
thiazide diuretic
Definition
metolazone, chlorthalidone, indapamide, -thiazide
MOA - inhib Na-Cl transporter in distal convoluted tubule
Use - HTN< edema by HF & nephrotic syndrome
SE: hyperGLUC (glycemia, lipidemia, uricemia, calcemia) --> gout, high blood sugar
Term
K sparing diuretic
Definition
eplerenone, spironolactone, amiloride, triamterene
Use - HTN, hyperALD, hypoK, liver dz w/ edema, ascities, severe HF
SE - hyperK, hyperCl met acidosis, gynecomastia, kidney stones
Term
direct renin inhibitor
Definition
Aliskiren
Use - essential HTN
MOA - inhib conversion of angiotensinogen to ang I
Term
Fenoldopam
Definition
short-acting, IV selective dopamine-1 (D1) R agonist
use - postop HTN, hypertensive crisis
Term
EKG ST elev
Definition
L main V1-6, I, aVL
LAD V1-2 = septal, V3-4 = ant, V1-4 = anteroseptal, V5-6 = apical
LCx I, aVL
RCA/PAD = II, III, aVF
Term
inhib transfer of RNA binding to bacterial ribosome
Definition
doxycycline, other tetracyclines
prevent protein syn (30S subunit)
7 day course doxy - chlamydial urethritis
Term
inhib bacterial DNA gyrase
Definition
FQ (cipro)
DNA gyraise - type of topoisomerase - enables separation of chromosomes during mitosis
Term
inhib bacterial folate syn & reduction
Definition
TMP-SMX
Use - UTI, bacterial prostatitis, granuloma inguinale (donovanosis), TMP (folate syn) - SMX (reduction)
Term
Acne rosacea
Definition
facial flushing, telangiectasia, papular lesion, rhinophyma* (soft tissue & sebaceous hyperplasia, large red nose)
Exacerbated by EtOH, spicy food, heat
Tx - metronidazole gel, oral tetracycline
Term
Acne vulgaris
Definition
rosacea (inflamm pilo-sebaceous unit & BV of face) + comedomes
Term
Auerbach's (myenteric) plexus
Definition
lies bet longitudinal & circular smooth mm = gastric motility
Assoc w/ achalasia
Term
submucosal (Meissner's) plexus
Definition
innerv intestinal glandular epi, endocrine cells, submucosal BV = GI secretions
Term
30s, hot flashes, vag dryness, DEC estrogen, INC FSH/LH
Definition
Premature ovarian failure (POF) - atresia of ovarian follicles of F during repro age
Risks - autoimmune dz, pelvic radiation, gonadal dysgenesis (Turner syndrome)
Term
Obligate anerobes - GI tract
Definition
Clostridium, bacteroides, peptostreptococcus, actinomyces
Term
<3 yo, seal bark, hoarseness, afebrile, inspiratory stridor, AP xray of neck - tapering of trachea ("steeple sign")
Definition
parainfluenza virus - Croup, winter
Tx - humidified air, epinephrine, steroids, O2
Term
"hot-potato" voice, inspiratory stridor, "thumb-print" sign on lat xray of neck
Definition
H influenza - epiglotittis
Term
MCC subacute bacterial endocarditis (SBE)
Definition
Streptococcus sanguis - Gram +, alpha hemolytic, optochin-resis (takes months)
Note: acute bacterial endocarditis - S aureus (days/wks)
Term
alpha-hemolytic, optochin resis streptococcus
Definition
S pneumo - meningitis, otitis media, pneumonia, sinusitis
Term
beta-hemolytic, bacitracin-sensitive streptococcus
Definition
S pyogenes - pharyngitis, cellulitis, scarlet fever, toxic shock-like syndrome, rheumatic fever, glomerulonephritis
Term
beta-hemolytic, bacitracin-resis streptococcus
Definition
S agalactiae - pneumonia, meningitis, sepsis (babies)
Term
catalase-positive, coagulase positive staphylococcus
Definition
S aureus - acute bacterial endocarditis
Term
HA, palsies of cranial nn that pass thru cavernous sinus (III, IV, V1, V2, VI), present after manipulation of skin lesion (ie furuncle on face)
Definition
cavernous venous thrombosis
Term
Typical (1st gen) anti-psychotics
Definition
Fluphenazine - hyperPRL (menses irreg, galactorrhea, sexual dysfxn)
... & Haloperidol - neuroleptic malignant syndrome
Thioridazine - retinal hyperpig
Chlorpromazine - Tx hiccups/singulutus
Typical SE - EPS (akathasia, acute dystonia, tardive dyskinesia, parkinsonism
antag D2 receptors
Term
Atypical (2nd gen) anti-psychotics
Definition
Olanzapine - wt gain, hyperlipidemia, T2DM
Clozapine - agranulocytosis (monitor blood counts)
Quetiapine - cataracts, sedation
Ziprasidone - QT prolongation --> torsades de pointes; Tx - magnesium
Term
bladder CA risks
Definition
smoking (MC), radiation, aniline dyes, artificial sweeteners, cyclophosphamide, working w/ rubber, leather, textiles, paint products
Term
Foscarnet
Definition
non-nucleoside Rx
MOA - inhib viral DNA polymerase & syn
Use - CMV retinitis, esp if resis to ganciclovir and cidofovir
SE - renal toxicity (hypoK, hypoMg, albuminuria, renal failure)
Term
Hepatitis - Rx SE
Definition
nevirapine (non-nucleoside reverse transcriptase inhibitor - HIV)
atazanavir, ritonavir, lopinavir (HIV protease inhibitors)
Term
Pancreatitis - Rx SE
Definition
didanosine, stavudine (nucleoside reverse transcriptase inhibitors), also peirpheral neuropathy
Term
Cardiac arrest - Rx SE
Definition
ribavirin (Tx RSV in infants, hep C)
Term
Hyperglycemia - Rs SE
Definition
atazanavir, ritonavir, lopinavir (HIV protease inhibitors) - insulin resis --> DM
Term
red/purple plaques or nodules on skin or mucosal surface, HIV +
Definition
Kaposi sarcoma
Term
white oral lesions that can't be rubbed off
Definition
leukoplakia
Term
HIV+/diabetes/obese, oral plaque that can be rubbed off
Definition
candidiasis
Dx - KOH wet prep - pseudohyphae/budding yeast
Tx - nystatin (or clotrimazole) swish or lozenges
Term
ocular CN
Definition
CN III - eye movement (sup, medial, inf rectus, inf oblique); damage - ptosis, pupillary dilation, loss of accommodation, "down & out"
CN IV - trochlear - sup oblique; damage - vertical double vision, worse when looking medially & down (reading, walking down steps)
CN VI - lat rectus; damage - horizontal diplopia, medially devated eye
Term
topical decongestants
Definition
oxymetazoline, pseudoephedrine, phenylphrine - vasoconstriction
If used >3 days --> rebound congestion & rhinitis medicamentosa (Rx-induced rhinitis)
Term
azelastine
Definition
intranasal histamine-1 R antag
Use - 1st line tx for rhinitis
MOA - block H1-R, DEC sneezing, itching, rhinorrhea
Term
PCA aneurysm
Definition
CN III palsy - "down & out" eye, ptosis, pupillary dilation
Term
berry aneurysm in ant communicating aa (males), jxn of internal carotid w/ post communicating aa (females)
Definition
SAH - worst HA of life
Assoc w/ Marfan's, Ehler's Danlos, ADPKD, Osler-Weber-Rendu
Risk factors - HTN, age (50s), smoking, Black
Term
Post inf communicating aa occlusion (cerebellum)
Definition
Wallenberg syndrome - loss pain & temp (contralat), ipsi side of face, nystagmus, vertigo, ipsi dysphagia, ataxia, Horner syndrome
Term
ant cerebral aa occlusion
Definition
asymptomatic d/t collateral circulation
Supplies leg/ft of motor/sensory cortex in medial aspect frontal lobes
Term
gram-neg dipplococci w/ many bacteria inside PMNs
Definition
gonococcal - Pili = virulence factor for asc infxn (urethritis, cerviciis, PID, epidydimitis, prostatitis, arthritis)
Term
protease virulence - cleaves IgA molecules (inactiv Abs)
Definition
Neisseria, S pneumo, H flu (3 MC to cause URI where IgA protease is useful)
Term
hyaluronidase virulence - eat thru connective tissue (hyaluronic acid)
Definition
Gram + rods: Grp A beta hemolytic strep, staph, C perfringens cause necrotizing fasciitis, cellulitis, gas gangrene (respectively)
Term
multiple sclerosis
Definition
CSF - oligoclonal bands on electrophoresis
MRI - brain lesions of periventricular white matter
optic neuritis & peripheral nn affected
Term
Dermatome
Definition
C6 - thumb
C7 - middle finger
C8 - 5th digit
T4 - nipple
T7 - xiphoid
T10 - umbilicus
L1 - inguinal ligament
L4 - knee cap
S2-4 - penile, anus
Term
auto dom form of inherited CA of breast & colon, soft-tissue & bone sarcomas, brain tumors, leukemia, adrenocortical CA
Definition
Li-Fraumeni Syndrome - defect in p53 tumor suppressor gene, chrom 17
Term
mut APC gene (chrom 5), auto dom
Definition
FAP - 1000s large intestine adenomatous polyps, early onset colon CA, 20-30s, wt loss, rectal bleeding
Tx - prophylactic colectomy
2 variants:
Gardner's syndrome - FAP colon CA + skin, soft tissue/bone tumors (osteoma, thyroid CA, fibroma, sebaceous cyst)
Turcot's syndrome - FAP + brain tumor
Term
jaundice, palmar erythema, caput medusae, INC serum aminotransferases, PT, DEC albumin
Definition
cirrhosis - micronodular cirrhosis - fibrous scar tissue & regen nodules, MCC EtOH
Note: macronodular cirrhosis - viral hepatitis
Term
Broca's area
Definition
inf frontal gyrus, stroke MCA, non-fluent expressive aphasia, intact comprehension, "Broke speech"
Term
Wernicke's area
Definition
sup temporal gyrus - fluent, receptive aphasia, no comprehension, nonsense speech
Term
arcuate fasciculus
Definition
connects Broca's & Wernicke's - speech/comprehension intact, can't repeat words = conduction aphasia
Term
Ipratropium
Definition
competitive blockade of muscarinic (Ach)-R
Use - COPD, control asthma exacerbation
Term
Omalizumab
Definition
Use - asthma
MOA - DEC IgE by binding to these Abs
Term
trichinella spiralis
Definition
undercooked pork meat (pork roundworm)
worms lay eggs in submucosa (thus no ova in stool), larvae travel in blood (eosinophilia), grow in mm --> myositis, myalgia, periorbital edema, urticaria
Sx - NV, abd pain,
Tx - "-bendazoles"
Term
Enterobius vermicularis
Definition
pinworm
intestinal nematode (MC helminth in US)
Anal pruritis ("scotch tape test")
Eggs survive outside body, transmit fecal/oral via surfaces, clothing, bedding
Term
Taenia solium
Definition
infects CNS (also eyes & heart)
Tx - praziquantel or -bendazoles
Term
Diphyllobothrium latum
Definition
cestode, tapeworm
megaloblastic anemia (B12 defic)
Dx - proglottids or eggs in stool
Tx - praziquantel
Term
Ascaris lumbricoides
Definition
intestinal nematode (MC helminth worldwide)
Pneumonitis, GI tract/biliary blockage
Dx - large, brown ova in stool
Tx - bendazole, pyrantel pamoate
Term
sensation receptors
Definition
free nn endings - pain/temp in skin/visceral organs
Meissner's corpuscles - light pressure, fine touch, hairless skin (fingers/lips), adapt quickly
Pacinian corpuscles - vibration/pressure, deep in skin, ligaments, jts
Merckel cells - shapes/textures, hair follicles, slow adapting
*Cell bodies of all lie in dorsal root/trigeminal ganglia
Term
jurisprudence defns
Definition
vicarious liability - being liable for someone else's action
conservatorship - person control finances of incompetent person
deterrence - punishment after crime is done
non-maleficence "do no harm"
Term
Hormone Receptors
Definition
intracellular R - steroid hormones
cAMP - FSH, LH, ACTH, TSH, CRH, hCG, ADH (V2), MSH, PTH, calcitonin, glucagon
cGMP - ANP, NO
IP3 - GnRH, GHRH, oxytocin, ADH (V1), TRH
Tyrosine kinase (transmembrane) - insulin, IGF-1, fibroblast growth factor (FGF), PDGF, PRL, GH
Term
placenta previa
Definition
painless bleeding >20 wks gestation
Dx - transabd US
Term
ant knee pain, boys 10-15, repetitive running/jumping, swelling/painful of tibial tubercle (apophysitis)
Definition
Osgood-Schlatter dz - stress leads to inflamm & excess bone growth
Term
Penile carcinoma in situ
Dx - Bx
Definition
Bowen's dz - single, erythematous, skin-colored or pigmented lesion on penis shaft or scrotum, ncircumcised men, can progress to squamous cell CA
Erythroplasia of Queyrat - glans penis or prepuce
Bowenoid papulosis - multiple wart-like, resemble condyloma acuminatum (genital warts), younger, assoc w/ HPV 16, doesn't progress to invasive CA
Term
Tourette tx (motor + vocal tic, ex facial grimacing, head jerking, repeats words, mimics gesture)
Definition
1st line tx - Fluphenazine, haloperidol (typical antipsychotic)
Assoc w/ ADHD, OCD< learning disorder, conduct disorder
Term
Trypanosomiasis (sleeping sickness)
Definition
Trypanosoma, Tsetse fly, sub-Saharan Africa
Sx - enlarged post LN, urticaria, recurring fever, somnolence, irritability, coma, death
Dx - found in blood/tissue
Tx - suramin, melarsoprol
Term
Achalasia tx
Definition
pneumatic dilation - TOC*
Other relief: botulin toxin (temp), myotomy (high risk), less effective - CCB, anticholinergics, opiods, nitrates
Term
wt reducing rxs
Definition
stim B-3-R - lipolysis (breakdown of fat), no GI sx, receptors on adipose/skeletal
inhib pancreatic lipase - orlistat, prevent preakdown of FA fr intestine, SE - steatorrhea
Term
stim opioid-R (morphine, heroin, hydromorphone, codeine)
Definition
DEC GI motility --> constipation
Term
activ cannabinoid-R (THC or marijuana, dronabinol)
Definition
INC hunger, wt gain - good for anorexia, CA, AIDS
Term
Wuchereria bancrofti
Definition
transmit by mosquito (Anopheles) --> type I hypersensitivity --> elephantitis
Tx - diethylcarbamazine
Term
INC rine urobilinogen
Definition
Rotor syndrome & Dubin-Johnson syndrome (conjugated hyperbilirubinemia) - urobilinogen formed fr breakdown of conjuated bilirubin); no jaundice or pruritis
Term
Dubin-Johnson syndrome
Definition
usually asymptomatic
Lab - conjugated hyperbilirubinemia, INC total & direct bilirubin, normal urinary coproporphyrin, coproporphyrin I makes up >80% (Rotor is <70%)
Can't see gallbladder on oral cholecystography (can see in Rotor syndrome), black liver (no color change in Rotor), no Tx
Term
colonic adenomatous polyps (adenomas)
Definition
tubular, tubulovillous - smaller, less malig risk
villous - larger, sessile, INC malig risk
Term
shizo disorders
Definition
schizophreniform - 1-6 mon, at least 2 of: delusions, hallucination, disorg speech, catatonic behavior & neg sx (flat affect, alogia, avolition)
Schizoid personality - introversion, detachment
Schizotypal personality - magical thoughts, illusions, superstition
Schizophrenia - sx > 6 mon
Term
HCV (flavivirus)
Definition
transmit thru IV drugs (dev countries), transfusions
can lead to cirrhosis, hepatocellular CA
ALT > AST, ELISA or PCR
Tx - interferon alpha & ribavirin
Term
Ivermectin
Definition
activ Cl ion channels --> hyperpol of nematode mm, paralysis & death
Note: Pyrantel - depol of nematode mm
Term
Diethycarbamazine
Definition
inhib PG syn fr arachidonic acid --> vasoconstriction & INC parasite susceptibility to host immune defense
Use - extra-intestinal nematode: filariasis d/t Loa loa, Wuchereria, Brugia
Term
p value
Definition
represents probability that type I error made
Term
tumor markers
Definition
CA 19-9 - pancreatic (Dx/staging/Tx response)
CA 125 - OVCA
S-100 - melanoma skin CA
PSA - prostate CA
hCG - trophoblastic tumors, ie molar preg, OVCA, testicular (non-seminoma)
Term
Trousseau's syndrome
Definition
migratory superficial thrombophlebitis
assoc w/ pancreatic CA, lung CA
manifests as thrombosis of superficial vv
Term
hoarse cry, hypotonia, poor feeding, umbilical hernia, large fontanelle, macroglossia, dev delay
Definition
iodine deficiency
Dx - DEC T3, T4, INC TSH
Tx - levothyroxine, dietary iodine supp
Term
short stature >2.5 std dev below mean height
Definition
Congenital GH defic (sporadic/inherited)
High pitch voice, INC fat, micropenis, hypoglycemia (d/t unnopposed insulin)
Dx - GH stim testing, assess bone age (DEC), DEC IGF
Tx - GH rep
Term
radiopaque kidney stones
Definition
calcium, struvite, cystine
Term
radioluscent kidney stones
Definition
uric acid
Term
Hartnup dz
Definition
defective absorp of neutral aa (tryptophan --> syn niacin) in renal prox tubules & GI tract
*Niacin (B3) defic --> pellagra-like sx: ataxia, dementia, diarrhea, red tongue, dermatitis (eczematous rash)
Term
vit defic in infants - hypotonia, lethargy, rash around ears
Definition
biotin (B7) defic
Adults - neuropsych (depression, hallucinations, paresthesia, nausea, anorexia, rash on face/ext)
Term
vit defic - angular stomatitis, cheilosis, color changes in tongue
Definition
riboflavin (B2)
Term
BUN:Cre ratio >20:1, urine Na <20 mEq/L, FENa <1%, urine osmolality >500 mOsm/kg, hyaline casts
Definition
prerenal acute renal failure
Etio: vol depletion, CHF, liver failure, sepsis, anti-HTN rxs, renal artery stenosis
Tx - stop offending agent, IV fluid, diuresis, monitor electrolytes
Term
granular casts (muddy brown casts), renal tubular casts
Definition
acute tubular necrosis
Term
nephritic glomerulonephropathy that presents DAYS after URI or GI infection, hematuria, low grade proteinuria, RBC casts
Definition
IgA nephropathy
Term
non-anion, gap, hyperchloremic metabolic acidosis
Definition
renal tubular acidosis
Term
theca-lutein cysts - cell hypertrophy, vasc, lipid accum
Sx - pelvic heaviness
Definition
stim by elev gonadotropin levels, seen in hydatidiform molar pregnancies (uterus larger than expected gestational age, hyperemesis gravidum), choriocarcinoma, exogenous use of gonadotropins (seen in intrauterine insemination or oocyte retrieval for in-vitro fertilization)
Term
TCAs
Definition
imipramine, clomipramie, amitriptyline
MOA - inhib serotonin, norepi transporters (reuptake at presynaptic neuron); inhib H1, serotonin, alpha-1, Ach-R
SE: AV conduction delays --> widening QRS complex
3 C's: coma, cardiotoxicity, convulsions; tachycardia, dry mucous membrane
Use - enuresis (bedwetting), depression
Term
Trazadone
Definition
antidepressant (w/insomnia), anti-anxiety, anti-psychotic
MOA - inhib 5-HT2A (serotonin)-R in brain cortex
SE: priapism (prolonged, painful erection)
Term
alpha-1 antitrypsin defic
Definition
auto recess, low level protease inhibitor
pulm emphysema - destruct of alveoli by uninhibited protease activity
Liver dz - accum of abnormally folded ATT protein in hepatocytes
Term
HTN rx for pregnancy
Definition
hyrdalazine (SE - drug-induced lupus, others: INH, phenytoin, procainamide, Dx - anti-histone Abs; reflex tachycardia) & methyldopa
Term
Calcinosis, Raynaud's phenomenon, Esophageal dysmotility, Sclerodactyly, Telangiectasia
Definition
CREST syndrome (limited form of scleroderma) - limited skin: face, neck & ext, better prog
Most specific test: anti-centromere Abs
Nnote: anti-SCL 70 Abs (anti-topoisomerase abs) - diffuse form scleroderma, involves all skin (including trunk), rapid onset, poor prog - affects cardiopulm & GI
Term
deletion of DPC tumor suppressor gene
Definition
pancreatic cancer ("deleted in pancreatic CA")
Term
deletion of p16 tumor suppressor gene
Definition
melanoma
Term
autoimmune disorder, inflamm of muscles (myalgia) & skin (malar rash, Gottron's papules - pink over knuckles & interphalangeal jts, heliotrope rash - purple colored eye, aka "shawl & face"), positive ANA & anti-Jo1 Abs
Definition
dermatomyositis
Term
IgG abs attack hemidesomosomes of skin, create fluid-filled bullae bet epidermis & dermis, on arms, legs, abd
Definition
Bullous pemphigoid
Term
deficiencies in B cells, T cells, IgA, ataxia, spider angioma
Definition
ataxia telangiectasia
Term
zolpidem, zaleplon, zopiclone
Definition
nonbenzo hypnotics
SE: "Z's" - parasonmnias, strange sleep behaviors (binge eating, walking, phone calls, don't remember)
Term
Adrenal zone layers
Definition
glomerulosa (outer) - ALD, Conn's syndrome (HTN, hyperNa, hypoK, metabolic alkalosis, DEC renin-primary hyperALD, but INC in 2ndary hyperALD
fasciculata - CORT, Cushing's
reticularis - DHEA-S, testot, 5-DHT, virilization of females (hirsitism, etc), precious puberty, adv bone age
medulla - catecholamines (epi/norepi); paroxysmal HTN, tachycardia, diaphoresis, HA, tremor, INC urinary catecholamines
Term
flail chest
Definition
multiple rib fractures break off & detach fr rest of thorax, rib cage collapse instead of expanding out
Term
iliolumbar ligament
Definition
tender at transverse processes of L4/5 and at iliac crests = lumbosacral SD
Term
sacrospinous ligament (accessory pelvic ligaments)
Definition
divides greater & lesser sciatic ligaments
Term
neuroleptic malignant syndrome (AMS, mm rigidity, fever d/t haloperidol or fluphenazine) Tx
Definition
Dantrolene - mm relaxant
MOA - lock Ca ryanodine-R, interfere w/ Ca rel fr sarcoplasmic retic
Term
adenomyosis
Definition
ectopic ("stuck") endometrial glands in myometrium, >40, menorrhagia (MC) & dysmenorrhea, boggy, soft, enlarged uterus
Dx - transvag US/MRI
Tx - hysterectomy (if symptomatic)
Term
focal nodular hyperplasia
Definition
common benign, liver tumor, women of repro age, asymptomatic, RUQ pain, "central scar" on US/CT, do not grow rapid
Term
cavernous hemangioma
Definition
MC benign liver tumor, assoc w/ pregnancy, estrogen rep, oral contraception, US - hyperechoic mass
Term
Chapman - bet 5th & 6th ribs
Definition
stomach hyperacidity
Term
Chapman - bet 6th & 7th rib
Definition
stomach hypercongesetion
Term
Chapman - 1" lat to umbillicus & 2" cephalad
Definition
adrenals
Term
ganglions
Definition
T5-9 (foregut): celiac
T10-11 (midgut + appendix): sup mesenteric
T12-L2 (hindgut): inf mesenteric
Term
primary adrenal insufficiency (Addison's dz)
Definition
autoimmune lymphocytic destruction of adrenals, DEC CORT (GC), and ALD (MC), hyperpigmentation (POMC cleaves to form ACTH-INC & melanocyte stim hormone-MSH); dark skin not found in secondary adrenal insufficiency
Term
MEN type 1 (Wermer's syndrome)
Definition
auto dom
3 P's: paratyroid, pancreatic islet cells, pituitary --> hyperparathyroidism, prolactinoma, acromegaly, gastrinoma (Zollinger-Ellison), insulinoma
Term
prevent disassembly of microtubules
Definition
paclitaxel & docetaxel (taxanes)
MOA - arrest cell mitosis
Use - mets ovarian, breast, lung, GU, head & neck CA, Kaposi's sarcoma
SE - neutropenia, neuropathy
Term
ifosfamide, cyclophosphamide
Definition
SE - hemorrhagic cystitis*
Give Mesna (mercaptoethanosulfate) to prevent complication, binds to acrolein which causes bladder SE
Term
Rumination syndrome
Definition
psych disorder - infants, repeated regurg & rechewing of food x 1 mon, prev normal fxn
Term
non-obstructive gastric emptying disorder, caused by gastroesophageal dz, neuromusc, trauma, endocrinopathies (poorly controlled DM - autonomic neuropathy), NV, belching, bloating, discomfort after meals
Definition
gastroparesis
Dx - nutritional supp, metoclopramide (prokinetic), control DM
Term
deficient insuliln secretion fr pancreatic beta cells assoc w/ amylin deposit & fibrosis
Definition
T2DM
Term
stenosing flexor tenosynovitis (trigger finger)
Definition
flexor tendon has swelling/nodule, prevents fr sliding normally thru "pulleys" at metacarpophalangeal jt
Sx - pain, snapping/clicking when ext/flexing finger
Cause - wear/tear of tendon, infection, rep trauma, DM, RA
Term
paraneoplastic syndromes
Definition
lung:
small cell cA - ADH/ACTH --> Lambert Eaton syndrome
squamous cell CA - PTHrP --> hyperCa
carcinoid - serotonin --> flushing/diarrhea
Term
Lung CA histology
Definition
Small cell* - small round blue cells
Squamous cell* - keratin pearls, intercellular bridges
Large cell - pleomorphic giant cells w/ leukocyt fragments
Mesothelioma - Psammoma bodies
Adenocarcinoma - Type II pneumocytes
Term
rolled ankle sprain - can't dorsiflex foot
Definition
Dx: post fibular head, ant talus (can't dorsiflex bc need to go post)
Term
Ankle sprains
Definition
Type 1 - ant talofibular lig (ATFL)
Type 2 - ATFL + fibulocalcaneal ligament
Type 3 - above + post talofibular lig (injury in that order)
Type 1-3 - inversion & supination sprains
Term
toxic epidermal necrolysis
Definition
drug-induced, pruritis, blisters, involve mucosa, + Nikolsky sign
Term
GABA
Definition
made in nucleus accumbens (pleasure/fear) fr glutamate by glutamate decarboxylase, req vit B6!
DEC GABA in anxiety & Huntington's, role in mm tone
GABA-R agonists - alcohol, benzos, barbituates
Note: DEC serotonin in anxiety
Term
dopamine
Definition
reward-pleasure behavior, schizoprenia & psychosis (INC), Parkinson's (DEC), depression (DEC), ADHD (DEC), recreational & ADHD drugs (INC)
Term
Gen axniety disorder tx
Definition
CBT + venlafaxine, buspirone, SSRI
Term
sulfonylureas
Definition
glipizide, glyburide
MOA - INC endogenous insulin secretion (not useful for T1DM)
SE - hypoglycemia & wt gain
Term
thiazolidinediones
Definition
pioglitazone, rosiglitazone
MOA - INC peripheral insulin sensitivity
SE - edema, wt gain, hepatotoxicity
Term
alpha-glucosidase inhibitors
Definition
miglitol, acarbose
MOA - DEC intestinal absorp CHO
SE - flatulence, abd pain
Term
metformin
Definition
MOA DEC hepatic glucose prod (sweating, seizure, LOC, visual disturb, confusion), INC peripheral sensitivity to insulin
SE - metallic taste, GI (indigestion, abd cramp, bloating, diarrhea, lactic acidosis* - esp in renal failure)
Term
liver fluke
Definition
Clonorchis sinesis ("Chinese liver fluke) - Korea, China, Taiwan, Vietnam, undercooked freshwater fish - obstruct biliary duct --> cholangiocarcinoma*
Tx - praziquntel
Fasciola hepatica ("sheep liver fluke") - sheep/cattle, raw watercress
Tx - triclabendazole
Term
Paragonimus westermani
Definition
lung fluke, SE Asia & Japan, undercooked pickled crab/crayfish
Term
Schistosoma japonicum
Definition
blood fluke, Far East, snails (host), penetrate skin
Term
Schistosoma haematobium
Definition
Africa, Middle East, cystitis, urethritis, hematuria, bladder CA
Term
Lyme dz (by Borrelia burgdorferi secondary to Ixodes tick bite) Tx
Definition
8+ yo doxycycline
<8 yo amoxicillin
Erythema migrans, Bell's palsy, meningitis, arthralgia, carditis
Term
Actinomyces israelii
Definition
sinus tracts discharge sulfur granules
Term
LMN lesion - sudden assymetrical mm weakness - flaccid paralysis, fasciculations, DEC/absent DTR
Definition
poliomyelitis - CSF - INC leukocytes, protein
Prevention - vaccine
Term
unsteady gait, absent DTR knee/ankle, loss of proprioception, Argyll Robertson pupils
Definition
Tabes dorsalis
Term
IPSI hemiparesis, loss of proprioception & vibration, contral loss pain/temp, flaccid paralysis
Definition
Brown-Sequard syndrome
Term
sup oblique mm (CN IV) - eye lesion
Definition
vertical diplopia while reading or walking down stairs
Term
heat rash, hot, humid climate, small papules/pustules similar to folliculitis, affects covered areas of skin, stinging sensation
Definition
miliaria
Term
Adenosine
Definition
Use - Dx/Tx paroxysmal SVT (ex atrial flutter)
MOA - slow conduction thru AV node, interupt AV reentry pathway by inducing hyperpol via INC K efflux
SE - flushing, hypoTN, chest pain, lightheadedness, diaphoresis, nausea, ventricular asystole, bronchospasm, sense of "impending doom," metallic taste
Term
Class I antiarrhythmic (Na channel blockers)
Definition
Class Ia - quinidine, procainamide, disopyramide
MOA - moderate DEC phase 0 slope, lengthen AP, prolong repol
Class Ib - lidocaine, mexiletine, phenytoin - small DEC in phase 0, shorten AP & repol
Class Ic - flecainide, propafenone - marked DEC phase 0 slope, no effect on AP, lil effect on repol
Term
Class II antiarrhythmic (beta blockers)
Definition
Propranolol, esmolol, metoprolol, atenolol, timolol
MOA - DEC sympathetic activity of heart, DEC slope phase 4
Use - SVT (by DEC conduction thru AV node)
Term
Class III antiarrhythmic (K channel blockers)
Definition
Sotalol, ibutilide, bretylium, dofetilide, amiodarone, dronedarone
MOA - prolong repol (delay phase 3), INC AP duration & refractory pd
Use - re-entrant arrhythmias
Term
Class IV antiarrhythmics (Ca channel blockers)
Definition
Verapamil, diltiazem
MOA - DEC conduction velocity by inhib Ca influx (esp AV node), shorten plateau (phase 2) of AP, DEC contractility
Use - HTN, angina
Contraindicated in heart failure
Term
Pancreatic CA
Definition
head of pancreas
adv - painful jaundice
early stage - painless jaundice* hallmark
Risk factors - smoking, FMhx, chronic pancreatitis, DM
+ Courvoisier's sign (non-tender, palpable GB) & + Trousseau's sign (migratory superficial thrombophlebitis)
Term
Bromocriptine
Definition
dopamine-R agonist
Use - microadenoma, DEC PRL secretion & shrink adenoma b4 surg
Term
Benztropine
Definition
Muscarinic-R antag
Use - Parkinson's - DEC tremor & rigidity
SE - sedation, mydriasis, urinary retention, dry mouth
Term
defect in bilirubin storage --> conjug hyperbilirubinemia, oral cholecystography shows normal gallbladder, INC urine coproporphyrin
Definition
Rotor Syndrome
Tx - none
Term
Leukocytes
Definition
Eosinophils - helminthic, tumors, asthma, allergies, collagen vasc dz
NT - initial response to acute infxn - bacteria, spirochetes, viruses, post op burns, DKA, neoplasms
Monocytes (precursor to macrophages) - chronic inflamm (TB, syphillis, autoimmune), malig (leukemias)
Macrophages - localized inflamm lesions
Basophils - allergic, contain heparin, histamine, leukotrienes; viral, asthma, chronic dermatitis, lymphomas
Term
miletone: roll fr prone to supine position, sit w/out support, transfer objects fr hand to hand, raking grasp, respond to name, babble, stranger anxiety
Definition
7 mon
Term
renal artery stenosis, young females, new onset HTN, epigastric bruit
Definition
Fibromuscular dysplasia
Dx - magnetic resonance angiogram - beaded appearance
INC renin
Term
superior facet of thoracic vertebrae orientation
Definition
post, sup, lateral
Note: same in lumbar
Inf facet of thoracic - post, inf, medial
Term
Thyroid fxn in normal prego
Definition
INC TIBG --> INC Total and bound T3 & T3
DEC TSH
Free thyroxine unchanged
Term
Rinne test
Definition
strike tuning fork and place on mastoid, when can no longer hear --> move to auditory meatus
Norma - air conducted sound should be louder than bone conduction
Normal test = (+)
Abnormal test = (-) conductive hearing loss (bone > air conduction)
Term
Webber test
Definition
Follows Rinne test
Tuning fork placed at midline
Normal - pt will hear tuning fork equal loudness
Unilat conductive hearing loss --> hear tuning fork loudest in AFFECTED ear
Term
Sensorineural hearing loss
Definition
Air > bone conduction w/ Rinne test
Weber test - sound localized toward GOOD ear
Term
Vancomycin
Definition
Use - MRSA
SE - hypoTN, flushing, erythematous rash (red man or red neck syndrome), bitter taste, ototoxicity, nephrotoxicitic
Term
Reye syndrome
Definition
Hepatic encephalopathy in kids after given aspirin, infiltration of hepatocytes w/ fat droplets
Term
Menetrier dz
Definition
giant gastric hypertrophy, INC risk gastric adenoCA
Term
DiGeorge syndrome
Definition
CATCH-22: cardiac (TOF or truncus arteriosus), Abnormal facies (low set ears, short philtrum, micrognathia), THymic aplasia (T cell defic - infxns), Cleft palate, Hypoparathyroidism + HypoCa (tetany, convulsions), chrom 22 del
Term
Malaria tx
Definition
P malariae = chloroquine
P vivax/ovale = chloroquine + primaquine (tx dormant liver schizonts)
P falciparum = chloroquine or quinine + doxycycline or mefloquine (if resis) = medical emergency bc attack RBCs & block vasc
Term
Scoliosis
Definition
levoscoliosis - apex on L
dextroscloliosis - apex on R
mild <20 deg, moderate 20-45, severe >45
Mild/mod tx - OMT, bracing
Severe - surg
Term
Rx metabolism
Definition
Phase I - addition of fxn'l grp in order to inactivate it & make more ready for excretion, ex reduction, oxidation, hydrolysis
Phase II - conjugation rxns, add polar substrate (acetate, glucoronic acid, sulfate) --> more easily elim by kidney
Term
Partial seizures - occur one part of brain
Definition
Simple partial - abnorm memory, auditory, visual, tactile or psychic sensation, but intact consciousness
Complex partial - DEC consciousness, repetitive motor automatism
Both preceded by aura, can progress to secondarily generalized tonic-clonic seizure
Tx - any anticonvulsant, EXCEPT benzo or ethosuximide
Term
secondarily generalized tonic clonic seizure
Definition
begin as CPS or SPS, but progress to tonic-clonic seizure w/ stiffness + clonic jerks
Term
atonic seizure
Definition
drops to floor, no jerking, no loss of bowel
Tx - valproic acid, lamotrigine, topiramate
Term
tonic clonic seizure
Definition
subtype of gen seizures, alternation bet stiffness & jerking of body
Tx - phenytoin or carbamazepine
Term
slow growing, well-circumscribed, mobile, painless, small subcutaneous mass
Definition
Lipoma - MC soft tissue neoplasm, benign tumor of adipocytes
Histo - univacuolated adipocytes
Tx - resection
Term
multiple small painful nodules on forearm, prolif of capillary sized vessels mixed w/ mature adipose tissue
Definition
angiolipoma
Term
dome-shaped lesion, painful swelling, numbness, enlargement of varicose vv, DEC ROM bc of tumor size, wt loss, fatigue
Definition
liposarcoma - malig tumor of fat
histo - multivacuolated lipoblasts w/ scalloped nuclear membrane
Term
well-differentiated large cells that resemble striated mm cell
Definition
rhabdomyoma - benign, rare, neck mass, hoarseness, difficulty breathing/swallowing, cardiac, SOB
Term
small, round blue-cells that stain + for myoglobin
Definition
rhabdomyosarcoma - MC soft tissue malg sarcoma in kids, expanding mass, stan + for mm markers actin & desmin
Term
cavernous sinus syndrome
Definition
CN III, IV, VI - can't adduct, abduct, intort, depress eye
CN V1, V2 - ophthalmic & maxillary sensation
Term
-statins
Definition
HMG-CoA reductase inhibitor
MOA - DEC LDL (esp CAD - DEC oxidative stress, INC atherosclerotic plaques)
SE - myopathy (mm pain, INC CK), hepatic dysfxn
Term
-fibrate
Definition
fibric acid derivative - bezafibrate, ciprofibrate, gemfibrozil
MOA - DEC TRIG, VLDL, LDL
SE - rash, GI sx; avoid in hepatic/renal/biliary tract dz
Term
niacin
Definition
aka nicotinic acid (B3)
MOA - DEC VLDL, LDL, INC HDL*; inhib lipolysis in adipose
SE - cutaneous vasodilation, warm sensation, gout, acanthosis nigricans, Tx - aspirin/ibuprofen
Term
cholestyramine, colestipol, colesevelam
Definition
bile acid-binding resin
Use - only for isolated INC LDL
MOA - bind bile acids, prevent reabsorption, INC conversion of cholesterol to bile acids in liver
SE - constipation, bloating
Term
ezetimibe
Definition
intestinal sterol absorption inhibitor
MOA - DEC LDL
Term
cortical infarctions
Definition
vascular dementia - banorm reflex, gait, carotid bruit, fundoscopic abnorm
Term
alpha-synuclein inclusions
Definition
aka Lewy bodies - Lewy body dementia - Parkinsonism, prob executing, paying attn, gradual memory loss, visual hallucination
Term
Tau inclusions
Definition
alzheimers dementia
Pick's dz - frontotemporal dementia - aphasia, Parkinsonian features & personality changes
Term
(chronic) inhaled oral steroid use SE
Definition
oral candidiasis, cough, burning, unpleasant taste, nasal congestion, hoarseness, allergic rxn
Term
opiate withdrawal in newborn (morphine, codeine, heroin)
Definition
high-pitched cry, convulsions, irritability, tachypnea, sweating, diarrhea, vomitting
Presents 48-72 h after birth
Term
onset of DM before 25 yo in non-obese pts w/ + famHx in auto dom inheritance pattern
Definition
maturity onset diabetes of the young (MODY)
Term
shoulder int rotation restriction
Definition
tight external rotator: infraspinatus (when arm at side) & teres minor (when shoulder at 90 degrees)
Term
subscapularis
Definition
int rot, flex, depress humeral head
Term
teres major
Definition
adductor, int rotator
Term
rotator cuff mm
Definition
SItS = supraspinatus, infraspinatus, teres inor, subscapularis
Term
liver cell damage causes:
Definition
testicular atrophy, gynecomastia, palmar erythema, spider nevi (bc estrogen not metab properly by liver)
Term
pulsus parvus et tardus
Definition
radial pulse felt later than contraction of heart --> assoc w/ aortic stenosis: mid-systolic crescendo-decrescendo murmur, radiation to carotid aa & apex, congenital, secondary to rheumatic heart dz of idiopathic calcif of valves, MCC elderly is degen calcif of aortic valve
Term
widening pulse pressure
Definition
aortic regurg
Term
INC murmur w/ valsalva
Definition
MVP & hypertrophic cardiomyopathy
Term
INC murmur w/ inspiration
Definition
tricuspid stenosis/regurg
Term
ticlopidine
Definition
Use - CVA (stroke, CAD)
MOA - inhib adenosine diphohsphate-R (ADP-R), prevent aggregation of platelets
SE - neutropenia* (can cause infxn later on)
Term
lateral epicondylitis
Definition
lat elbow, forearm pain
Pain exacerbated by wrist ext & supination vs resis
Term
electroconvulsive therapy
Definition
Use - suicidality, psychotic depression, depression refractory to antidepressant meds
SE - anterograde/retrograde amnesia, postictal confusion, nausea, mm ache, HA
Term
Stains
Definition
PAS - Whipple's dz (Tropheryma whippelii)
India ink - Cryptococcus neoformans
Giemsa - Plasmodium, Borrelia burgdorferi, Histoplasma, Chlamydiae
Ziehl-Neelsen - Mycobacteria tuberculosis & leprae
Note: Mycoplasma doens't stain bc has NO cell wall
Term
Culture
Definition
Eaton's agar (sterols) - Mycoplasma
MacConkey's agar - lactose-fermenters: Enterobacter, Klebsiella (lowers pH = pink)
Sabouraud's agar - fungi
Bordet-Gengou agar - Bordetella pertussis
Thayer-Martin agar (VPN-abx) - Neisseria gonorrhoeae
Term
Penicillin G
Definition
Gram +
S pneumo, S pyogenes, Actinomyces
Term
Amoxicillin
Definition
beta-lactam - inhib cell wall syn
wider spectrum than PCN
Enterococci, ie salmonella, E coli
Term
Clavulanic acid, sulbactam, tazobactam
Definition
Beta-lactamase
Extended spectrum of beta-lactam Rxs
Term
Ceftriaxone, cefotaxime, ceftazidime
Definition
3rd gen cephalosporin, beta-lactam
MOA - inhib cell wall syn
Comm acq pneumonia, meningitis, gram neg ie gonorrhea, pseudomonas
Term
asbestos exposure jobs
Definition
plumbers, roofers, ship-yard, demolition crew
Pleural plaques, gold-brown dumbbell-shaped rods in macrophages
MCC cancer - bronchogenic carcinoma (more common than mesothelioma; but if ques ask risk factor for mesothelioma - pick asbestos)
Term
Klumpke's paralysis
Definition
caused by injury to C8-T1 root:
Horner's syndrome (ptosis, miosis), ulnar nn distrib numbness, paralysis of intrinsic hand mm
Term
Beta-thalassemia major
Definition
appear in 1st 2 yrs of life: failure to thrive, enlarged spleen, microcytic anemia, misshapen bones
DEC beta chains, INC alpha chains (alpha > beta)
Extramedullary hematopoiesis, HSM,aplastic crisis w/ parvo B19
Tx - blood transfusion, iron chelation, splenectomy
INC Hemoglobin F and A2, and DEC Hgb A = both Beta-thal major & minor
Term
beta-thalassemia minor
Definition
asymptomatic anemia (microcytic, hypochromic, normal ferritin), normal life
Term
DM, steatorrhea, pancreatic calcif on CT
Definition
chronic pancreatitis
Term
test for anti-p24 IgG abs
Definition
ELISA - HIV screening
Term
test for anti-gp120, gp41, p24 IgG Abs
Definition
Western blot - HIV confirmatory
Term
protease inhibitor (-navir) SE
Definition
GI, metabolic syndromes (similar to Cushing), hyperglycemia, thrombocytopenia, nephrolithiasis, lactic acidosis
Term
nucleoside reverse transcriptase inhibitor (NRTI) SE
Definition
megaloblastic anemia (ZDV), pancreatitis* (Didanosine), bone marrow suppression (counter w/ EPO & GM-SCF), peripheral neuropathies, lactic acidosis
Term
non-nucleoside reverse transcriptase inhibitor (NNRTI)
Definition
rash, bone marrow suppression, peripheral neuropathies, hepatitis
Term
Fusion inhibitors
Definition
Enfuvirtide - local injection (erythema, nodules, cysts), GI, infxn, peripheral neuropathies
Term
Maraviroc SE (HIV rx)
Definition
upper resp infections & orthostatic hypoTN
Term
vitiligo - hypopigmentation
Definition
assoc w/ autoimmune ie pernicious anemia, hypothyroidism, hyperthyroidism, Addison's dz, T1DM
Starts 1st/2nd decade
Term
fugue state (dissociative fugue)
Definition
pt suddenly travel, develop amnesia, assume new identity; follows stressor
Term
C diff infxn
Definition
caused by clindamycin or ampicillin
Tx - metronidazole
Term
Werdnig-Hoffman dz
Definition
type 1 spinal muscular atrophy (SMA)
atrophy of LMN ant horn spinal cord --> baby dies by 18 mon fr pneumonia-induced resp failure
Sx - floppy baby syndrome, failure to thrive, weak sucking, areflexia
Term
blistering, mid age, affect mucous membranes, Bx - IgG bet epidermal cells
Definition
pemphigus vulgaris - + Nikolsky sign
Term
autoimmune blistering along abd, ext, groin, axilla, >65 yo, Bx - LINEAR pattern IgG and C3 along BM
Definition
bullous pemphigoid - (-) Nikolsky sign
Term
classic target lesions
Definition
erythema multiforme
Term
factitious disorder
Definition
assume sick role for primary gain (vs secondary gain in malingering); ex health care worker, knowledgeable about condition/txs
Term
malingering
Definition
fabricate Sxs for secondary gain (financial, gettoung out of prison, obtaining drugs)
Term
common reasons for anovulation (normal during perimernarche & perimenopause)
Definition
PCOS, anorexia, stress, pituitary dysfxn, hypothalamic dysfxn
Confirm ovulation: measure cycle day 21 proges levels (elev = ovulating)
Term
painless thyroid enlargement
Definition
Hashimoto's thyroiditis - autoimmune, anti-TPO Abs, weakness, fatigue, ahir loss, myxedema
High TSH, low T4/3
Tx - levothyroxine
Term
cerebellum
Definition
medial zone - balance; injury - ataxia, ipsi falls (think center = balance)
lateral zone - voluntary limb movement - injury - error in force, speed, amplitude of movement (think outer = limb)
Term
post nuc of hypothalamus
Definition
control heating & sympathetics; lesion - hypothermia & hypoTN
Term
Rickettsia prowazekii
Definition
epidemic typhus - flu-like sx, truncal rash spread to rest of body, transmit by human louse

All Rickettsia:
Sx - HA, fever, rash
Dx - Weil-Felix rxn
Tx - doxycycline
Term
Rickettsia ricketsii
Definition
Rocky Mtn spotted fever
HA, fever, rash start on palms/soles spread to trunk
Transmit by dog/rodent ticks
Occur east of Rockies
Term
Diphyllobothrium latum (fish tapeworm)
Definition
B12 defic
Tx - Praziquantel
Term
epididymitis (fever/chills, erythematous/tender scrotum, freq/urgency, dysuria) tx
Note - leading cause >35: E coli
Definition
>35 - ciprofloxacin - inhib DNA gyrase
<35 - ceftriaxone + doxycycline (bind 30S) or azithromycin (bind 50S)
Term
cingulate (subfalcine) herniation
Definition
cingulate gyrus herniate under falx cerebri --> compress ant cerebral aa d/t INC ICP (often fr subdural hematoma*)
Term
tonsilar herniation
Definition
cerebellar tonsils go thru foramen magnum --> compress brainstell --> Chiari malformation
Sx - neck pain, HA worse w/ cough, ataxia, diplopia
Term
transcalvarial (external) herniation
Definition
herniation of brain tissue thru fracture/surg incision
Term
uncal herniation
Definition
uncus (inner part of temporal lobe) push thru tentorium
Sx - ipsi dilated pupils, contra homonymous hemianopia, Durret hemorrhage (rupture of paramedian aa), ipsi paresis
Term
transtentorial (central) herniation
Definition
brain thru tentorium cerebelli (dura mater that separates cerebellum fr occipital lobe
Cause tear in basilar aa --> coma, death
Term
squamous cell CA of esophagus risk factors (most mid esophagus)
Definition
smoking, EtOH
Other - nitrosamines, achalasia, hot food/drinks
Dysphagia of solid then liquids (vs achalasia which is liquid then solid)
Barium swallow - "apple core" lesion
Term
adenocarcinoma of esophagus
Definition
Risk factor - Barrett's esophagus (GERD), lower third esophagus
Term
respiratory alkalosis
Definition
low PCO2 (norm 40), normal HCO3 (23)
chronic resp alkalosis - low HCO3 d/t compensatory met acidosis
Cause - hyperventilation, psych, high altitude (stim hyperventilation)
Term
metabolic acidosis
Definition
low pH, pCO2, HCO3
Term
resp acidosis
Definition
low pH, INC pCO2, HCO3
Term
metabolic alkalosis
Definition
INC pH, pCO2, HCO3
Term
ant pituitary hormones
Definition
FLAT PiG:
FSH, LH, ACTH, TSH, PRL, GH
Term
glucagonoma
Definition
necrotizing migratory erythema* (macules/papules in inguinal, face, perineum, thighs, buttocks), DM, wt loss, glossitis, stomatitis, cheilitis
DEC amino acids (by gluconeogenesis fr aa), INC glucagon
Term
low pitched, apical diastolic rumble, L lateral decubitus position
Definition
mitral stenosis
Term
combination OCPs (estrogen/proges)
Definition
neg fb of GnRH
Proges - prevent LH (surge causes ovulation) , thicken cervical mucus (inhib sperm entry)
Estrogen - prevent FSH (follicular dev)
Term
AIN
Definition
BUN:Cre <20:1, urine Na >40, FENa >2%
MCC - Rx allergy (PCN, cephalosporin, NSAID, phenytoin, diuretic, sulfonamide)
Others - Sjogren's, SLE, sarcoidosis
Term
non-anion gap, hyperchloremic met acidosis
Definition
RTA (renal tubular acidosis)
Term
suspensory ligament of ovary
Definition
attach ovary to pelvic wall; contains ovarian a/v
Term
round ligament
Definition
fibrous cord, runs thru uterus to deep inguinal canal, exits superficial inguinal ring & attach to labia majora; derivative of gubernaculum
Term
Unique to Gram + and -
Definition
Gram pos - teichoic acid, cell wall (spans fr capsule to inner cytoplasmic membrane)
Gram neg - outer membrane has LPS endotoxin & notablic periplasmic space bet inner & outer membrane (has beta-lactamase = Rx resis)
Term
MCC of normal anion gap metabolic acidosis (AG 8-12)
Definition
diarrhea
Term
metabolic alkalosis causes
Definition
vomitting, Conn's syndrome
Term
resp acidosis causes
Definition
COPD
Term
sexual seduction, attention seeking
Definition
histrionic personality disorder
Term
impulsive, self-injury, substance abuse, overreaction, splitting is defense mechanism (all good/bad)
Definition
borderline personality disorder
Term
vancomycin
Definition
inhib SYNTHESIS of peptidoglycan of cell wall by binding D-alanyl-D-alanine
vs PCN, cephalospoin, carbapenem, aztreoname - inhib CROSS-LINKING of peptidoglycan
Term
central obesity, moon facies, abd striae, impotence, abnorm menses, acne, glucose intolerance, mm wasting, hirsutism, HTN, psych
Definition
Cushing's syndrome
Term
absent cerebellar vermis, hydrocephalus, dilated 4th ventricle connecting to enlarged post fossa cyst that extends to cisterna magna
Definition
Dandy-Walker malformation
Term
Arnold-Chiari malformation
Definition
inferiorly displaced cerebellar tonsils thru forament magnum (can cause polyhydramnios bc affects control of swallowing)& myelomeningocele (spina bifida), hydrocephalus, small post fossa
Term
Pseudomonas causes
Definition
nosocomial sepsis/ecthyma gangrenosum (burns), pneumonia (CF), UTIs (catheters), osteomyelitis (DM & IVDU), external otitis (DM, swimmers)
Term
pseudomonas lethal factors
Definition
blue-green pyocyanin pigment
endotoxin
exotoxin A (inactiv elong factor-2)
Tx - aminoglycoside + extended spec PCN
Term
Rx intoxication - expanded senses (radiant colors, visual hallucination, echoing sounds)-see music & hear colors, delusions, dilated pupils (mydriasis), fever, tachycardia, HTN, diaphoresis, paranoia, dry mouth, sleeplessness, flashbacks
Definition
LSD
Term
Rx intox - agitation, INC alertness, bruxism, euphoria, diaphoresis, mydriasis, confusion, anorexia, tachycardia, HTN, fever, dental erosion*
Definition
amphetamine
Can lead to stroke/seizure
Term
Rx intox - pinpoint pupils (miosis)*, hypoxia, sedation, slurred speech, resp depression, euphoria, constipation
Definition
heroin (opioid)
Term
Rx intox - impulsiveness, psychosis, violent behavior*, HTN, tachycardia, agitation, nystagumus* (horizontal, vertical, or rotary), rhabdomyolysis (complication)
Definition
phencyclidine hydrochloride (PCP)
Term
mefloquine
Definition
neuropsych SE ie paranoia, anxiety, hallucination
Term
Vit deficiencies
Definition
Vit A - resp, opthalmic
Vit D - rickets, osteomalacia
Vit E - peripheral neuropathy
Vit K - clotting defic (cofactor for II, VII, IX, X
Vit B12 - neuropathy, macrocytic anemia
Term
gastric CA
Definition
Wt loss, epigastric pain
Risk factors: lower fiber diet, obesity, EBV, high Na intake, N-nitroso cmpds, smoked food, smoking, EtOH, blood type A, gastric surg, H pylori
Dx - endoscopy
Term
TCA SE
Definition
prolong QRS, PR or QT interval, anticholinergic, CNS toxicity
Tx - ABC, NaHCO3 (arrhythmia), charcoal
Term
digoxin SE
Definition
CNS depression bradycardia, heart block, color vision tend toward yellow-green
Term
quinidine SE
Definition
Torsades de pointes, cinchonism (tinnitis, flushed skin, CNS disturb)
Tx - IV magnesium
Term
organophosphate SE
Definition
inhib acetylcholinesterase --> miosis, salivation, lacrimatino, diarrhea
Tx - atropine
Term
cyanide SE
Definition
CNS depression, resp/cardiac arrest, "almond-like odor in breath"*
Tx - amyl nitrate
Term
L5 findings for sacral torsions
Definition
Forward torsion (STRA) - L5 Type 1 (STRA - Sidebend toward, Rotate away)
Backward torsion - L5 Type 2
Term
MEN type IIB
Definition
medullary thyroid CA, pheochromocytoma, marfanoid body habitus, mucosal neuromas (ex tumor of tongue)
Term
chrom 5, long arm, APC gene defect
Definition
familial adenomatous polyposis - 1000s of colon polyps, teen yrs
Term
chrom 17
Definition
acute promyelocytic leukemia, Charcot-Parie-Tooth dz, Ehlers-Danlos, NF1, osteogenesis imperfecta, vitiligo
Term
chrom 18
Definition
Edwards dz, Niemann-Pick
Term
chrom 22
Definition
ALS, NF2
Term
chrom 4
Definition
bladder CA, Huntington, Parksinson
Term
external rot of temporal bone
Definition
results in post displacement of mandibular fossa --> chin displaced toward side of temp ext rot
Term
propenicid
Definition
promote excretion of uric acid by competing w/ urate for transporter responsible for its reabsorption
*DEC reabsorp of uric acid
Use - gout
Term
colchicine
Definition
anti-inflamm
Use - gout
Term
theca cells
Definition
convert cholesterol to androgens
Term
granulosa cells
Definition
convert androgens to estradiol (via aromatase), also prod proges
In prego - estrogen prod by placenta
Term
nonselective activ of B1 & B2
Definition
isoproterenol
Term
nonselective agonist of alpha & beta receptors
Definition
epinephrine
Tx - anaphylaxis
Term
danazonal
Definition
Use - endometriosis, PCOS
MOA - DEC ovarian syn of estradiol
SE - menopause Sx (hot flashes), hirsutism, acne, deep voice
Term
tamoxifen
Definition
selective estrogen-R modulator (SERM)
Use - breast CA
SE - endometrial hyperplasia (can lead to CA), hot flashes
Term
dysmenorrhea, dyspareunia, dyschezia (painful bowel)
Definition
endometriosis - starts b4 menses & ceases when stops* hallmark, smooth-walled cyst filled w/ old blood ("chocolate cysts")
Term
sildenafil, vardenafil
Definition
phosphodiesterase (PDE-5) inhibitors
normally cGMP (smooth mm relax allow flow to corpus cavernosum) is degraded by PDE-5
*don't use w/ nitrates (DEC CO --> hypoTN)
Term
anastrozole, letrozole
Definition
aromatase inhibitors
Normally respons for conversion of androstenedione to estrogens by granulosa-theca cells, also converts testot to estrogen
Use - postmenopausal w/ estrogen-R positive breast CA
Term
Fitz-Hugh-Curtis syndrome
Definition
complication of PID
inflamm liver capsule, violin string adhesions
Term
resp acidosis
Definition
pH <7, INC pCO2 >40, HCO3 >23
Main cause of INC pCO2 - hypoventilation: drugs, neuromusc (Guillian-Barre, myasthenia gravis, asthma, COPD)
Term
normal anion-gap metabolic acidosis
Definition
low pH, pCO2, and HCO3
Cause - renal tubular acidosis, diarrhea
Term
upper third esophagus, outpouching of mucosa, dysphagia, halitosis, regurg of undigested food, constant clearing of throat, neck mass, wt loss
Definition
Zenker's diverticulum
Term
glossitis, iron defic anemia, dysphagia caused by esophageal webs
Definition
Plummer-Vinson syndrome
Term
t(11;14)
Definition
Mantle-cell lymphoma - non-Hodgkin lymphoma, uncontrolled cell rep
malig cells similar to lymphocytes found in mantle zone of normal germinal follicles
Term
t(14;18)
Definition
Follicular lymphoma - non-Hodgkin lymphoma
dysreg bcl-2 & inhib of apoptosis of B cells
LN Bx - nodular pattern malig cells that resemble normal LN follicle
Term
cutaneous T cell lymphoma
Definition
MC form - mycosis fungoides
hypopig skin (represent tumors)
Dx - Bx: infiltration of basal layer (upper derm) w/ malig lymphocytes
Term
Ewing sarcoma
Definition
diaphyseal (middle) of long bones
t(11;22)
Xray - periostal "onion-skinning"
Histo - monotonous, round blue cells
Term
t(8;14)
Definition
Burkitt's lymphoma
C-myc activ, "starry sky" in macrophages, assoc w/ EBV, Africa variant - kid w/ jaw growth
Term
nephrogenic diabetes insipidus (polyuria, polydipsia)
Definition
kidney doesn't respond to ADH
Cause - lithium, amphotericin B, demeclocycline (abx Tx for SIADH)
Tx - Na restriction, thiazide diuretic (HCTZ) +/- amiloride & indomethacin (INC ADH)
Term
multiple dome shaped papules w/ central umbillication, contagious, spread via sex contact
Definition
molluscum contagiosum - poxvirus - large dsDNA linear
Tx - self limiting
Term
congenital - chrioretinitis (present later in life w/ blurred vision, pain, photophobia, can lead to blindness), hydrocephaly, intracranial calcif, microcephaly, convulsions
Definition
toxoplasma gondii
Term
dermatomyositis - blacks, 40-50, +anti-Jo-1 Abs (spec) & +ANA (sens)
Definition
polymyositis (prox mm weakness, INC CK), + derm: Gottron's papules (erythematous, scaly plaque on dorsum PIP/MCP), Shawl sign (erythema over shoulders, neck, upper chest, back
Term
rib motion axis
Definition
1-5 - pump handle - transverse axis
6-10 - bucket handle - Ant-post axis
11-12 - caliper/pincer - vertical axis
Term
mixed morphology w/ Schiller Duval bodies (perivasc of epi cells), INC AFP,
Definition
endodermal sinus tumor: yolk sac tumors, malig germ cell tumors
MC testicular tumor in infancy/childhood
Term
young men (15-35), painless enlarged testis, Hx of cryptorchidism
Definition
seminoma - malig germ cell tumor
radiosensitiev, curable
Histo - large cells in nobules w/ watery cytoplasm & "fried egg"* look (uniformly distrib nuclei)
Term
testicular pain, INC hCG & AFP, undifferentiated glandular or papillary morphology (finger-like projections)
Definition
Embryonal carcinoma - malig germ cell tumor, 2nd MC testicular germ cell tumor (also occur in ovary)
Mets, poor prog
Term
intracytoplasmic Reinke cyrastals, tumor prod androgens, precocious puberty in kids, gynecomastia in adults
Definition
Leydig cell (interstitial) tumor - benign, secrete hormone
Other non-germ cell tumor:
Sertoli cell tumors
Both can be found in ovary
Term
senile cataracts
Definition
bilat painless lens thickening opacification, DEC visual acuity, eventual loss of vision
Risk factors - age, smoking, DM, ethanol, HTN, obesity, UV exposure
Tx - surg
Term
hydroxyurea
Definition
inhib ribonucleotide reductase - inhib DNA synthesis
Use - myeloprolif disorders (CML, PV, essential thrombocytosis), prevent sickle cell crisis --> elim of sickled cells leaves greater proportion of Hgb F cells
Term
inhib dihydrofolate reductase
Definition
methotrexate
Use - ectopic pregnancy (target fast dividing cells)
Term
nucleotide analogue
Definition
mercaptopurine (6-MP), azathioprine
MOA - inhib purine synthesis
Use - ALL, AML, RA, prevent transplant rejection
Term
alkylation of guanine
Definition
cyclophosphamide
MOA - break DNA strand
SE - hemorrhagic cystitis, Tx - mesna to bind/inactiv acrolein (toxic byproduct)
Term
bind excess iron for excretion
Definition
deferoxamine - iron-chelating (binding) agent
Use - iron toxicity or overload (2ndary to transfusion)
Term
Legionella pneumonila
Definition
atypical pneumonia, HA, fever, nonprod cough, elderly, smokers, alcoholics
Also cause Pontiac fever (mild pneumonitis), transmit via aerosolized water
Dx - silver stain, charcoal yeast, urinary Ag
Tx - erythromycin
Term
osteochondritis dissecans
Definition
complication of avascular necrosis in physically active adolescants, crepitis, effusion, tenderness
Term
20-40 yo, F, morning stiffness >30 min, worse w/ rest, affect PIP, MCP, wrist, knees, symmetrical pattern
Definition
rheum arthritis
Term
insidious onset, pain, made worse by activity/weight bearing, relieved by rest, ESR NOT elev
Definition
osteoarthritis
Term
paragonimus westermani
Definition
trematode fluke (INC eosinophil), transmit by undercooked shellfish (Japan), snails,
starts w/ GI infxn followed by acute lung illness --> chronic (bronchiectasis, secondary bacterial lung infxn) w/ prod cough, hemoptysis
Tx - praziquantel
Term
follicular phase
Definition
INC estrogen, LH, FSH, result in LH surge --> stim ovulation
Term
luteal phase
Definition
INC proges which peaks at 21 days, endometrium prolif & becomes secretory
Term
work up of congenital syphillis
late presentation - ulcer on palms/soles, rhinitis ("snuffles"), HSM, jaundice, Hutchinson's triad (interstitial keratitis, notched teeth, deafness)
Definition
1) rapid plasma reagin (RPR) - sensitive (do 1st)
2) FTA-ABS - specific
Tx - IM PCN G
Term
narcoplexy tx
Sx - excess daytime sleepiness, cataplexy (loss mm tone), sleep paralysis, hallucination before/after sleep
Definition
Methyphenidate
Other CNS stimulants - amphetamine, methamphetamine, modafinil, armodafinil
Use - relieve excess daytime sleepiness
MOA - inhib reuptake of norepi and dopamine into presynaptic nn terminal --> INC alertness/attn
Term
inhib transport of monoamines (norepi, serotonin, dopamine) into vesicles
Definition
Reserpine (rarely used)
MOA - DEC sympathetic flow
Use - psychosis, HTN
Term
MC malig primary brain tumor, 50-70 yo, wt loss, fatigue, "pseudopalisades" on histo
Definition
Glioblastoma multiforme - crosses corpus caloosum
Term
2nd MC primary brain tumor
Definition
meningioma - psammoma bodies, spindle-shaped cells in whorls
Term
kids - tumor in post fossa, spreads thru CSF tracts, compress CSF tracts --> hydrocephalus, irritable, vomitting
Definition
medulloblastoma
Term
kid - tumor in brain ventricles, perivasc pseudorosettes, ependymal rosettes
Definition
ependymoma
Term
topical med - depletes neurons of substance P
Definition
capsaicin - extract fr hot chili peppers
MOA - activ nociceptors (pain sensing fibers), depletes substance P (peripheral chemomediator of pain)
Term
uncal herniation
Definition
supratentorial brain herniates down & compresses CN III --> ipsi dilated pupil (can't constrict to light), contra homonymous hemianopsia (bc compress ipsi post cerebral aa)
Term
types of HYPOnatremia
Definition
hypovolemic - hx hemorrhage, overuse diuretics, diarrhea, vomitting
euvolemic - SIADH
hypervolemic - kidney, heart, liver failure
Term
cause of dysphagia, loss of gag reflex, uvula deviation away fr side of lesion
Definition
vagus nn lesion
Term
low glucose in pleural fluid
Definition
rheum arthritis*, empyema, malignancy
Term
pleural fluid - white milky appearance (chylothorax), TRIG >110
Definition
MCC lymphoma, trauma by thoracic surg
Term
pleural fluid - blood effusion
Definition
MCC pulm embolism, malignancy
Term
basilar skull fracture
Definition
clear, watery nasal discharge (CSF rhinorrhea), periorbital ecchymosis (Raccoon eyes), ecchymosis over mastoid process (Batt'ls sign), hemotympanum (blood in tympanic membrane)
Term
Fryettes laws
Definition
1st law - neutral mechanics: Rot & SB opp, Type I
2nd law - non-neutral mechanics: Rot & SB same, Type II
3rd law - motion in one direction DEC motion in all other directions
Term
+c-ANCA, affect kidney (fr RPGN), upper/lower resp sx (look for ocular, ear, nose, throat involvement w/ pulm Sx - infiltrates, hemoptysis), saddle nose
Definition
Wegener's granulomatosis
Tx - cyclophosphamide & steroids
Term
Abs to Type IV collagen in GBM, hemoptysis, GN/renal failure
Definition
Goodpasture's
Term
HELLP syndrome
Definition
Hemolysis, Elev Liver enzymes, Low Platelets
Occurs 3rd trimester, variant of severe preeclampsia
MOA - fibrin/platelet deposits in capillaries --> occlusion & disrupt RBCs (endothelial cell & platelet dysfxn) cause microangiopathic hemolytic anemia, DEC platelet
Note: RBC hemolysis causes INC indirect bilirubin
Term
most specific test for rheum arthritis
Definition
xray - show joint space narrowing, erosions (most specific blood test - anti-CCP)
RA - 20-40 yo, F, AM stiffness, better w/activity, PIP, MCP jt, wrist, knees, ular dev, swan-neck deformity, valgus of knees
Term
lacunar infarct
Definition
HTN, DM, neuro deficits
Term
anti-smooth mm & anti-nuclear Abs
Definition
Type 1: autoimmune hepatitis - young-mid age F, follows viral illness (ex Hep A)
Sx - anorexia, nausea, abd pain, pruritis, arthralgia
Note: type II have +anti-LKM (liver kidney microsomal) Abs
INC AST, ALT > 1000
Tx - prednisone, azathioprine
Term
anti-microsomal Abs
Definition
Hashimoto's thyroiditis
Term
block re-uptake of catecholamines by adrenergic nn terminal
Definition
cocaine - results INC norepi (stim alpha 1, 2, beta 1) & dopamine (nonselectively stim alpha, beta, dopa receptors) = INC vasoconstriction, INC HR, contractility, pupil dilation, HTN, anorexia, euphoria
Term
part of brain involved in addiction (dopamine = NT of reward behavior)
Definition
ventral tegmental area (midbrain) & nucleus accumbens (basal ganglia)
Term
2nd line Rx for dementia, for pts who can't tolerate NV
Definition
memantine - NMDA-R antag
SE - hallucinations
Term
1st line tx for narcoplexy
Definition
modafinil
MOA - block GABA --> get stimulant effect
Term
Huntinton's tx
Definition
haloperidol (block dopa-R) or tetrabenazine & reserpine (prevent dopa relase into synatpic cleft)
Term
tx for short-term relief of difficulty falling aslp
Definition
Zolpidem - non-benzo ("catch some Z's")
MOA - bind type-A GABA-R
Note: does NOT help w/ sleep maintenance
Term
MCC of primary hyperparathyroidism (INC PTH, Ca, DEC phos)
Definition
adenoma
Term
INC PTH, low/normal Ca, INC phos
Definition
secondary hyperparathyroidism
Term
pruiritic polygonal purple papules and plaques, papules have fine white streaks (Wickham's striae, "lace-like"), flexor surface of wrist, buccal mucosa, genitals
Definition
lichen planus
Tx - topical corticosteroids
Term
thrombocytic thrombocytopenic purpura (TTP)
Definition
HUS + fever + neuro Sx
more in adults, d/t inhib of ADAMTS13 (protease that cleaves vWF)
Term
DIC
Definition
prolonged PT, PTT, activ of coag cascade
Term
von Willebrand's dz
Definition
INC bleeding time, normal/INC PTT
Term
idiopathic thrombocytopenic purpura (ITP)
Definition
affects kids after infection, chronic condition in adults
Term
HUS
Definition
triad: acute renal failure, thrombocytopenia, microangiopathic hemolytic anemia, affects kids after ingestion of E coli O157:H7 (undercooked beef)
Term
CO poisoning
Definition
DEC O2 unloading, DEC O2 binding capacity, INC carboxyhemoglobin
Tx - O2
Term
scoliosis compromise
Definition
>50 deg = resp compromise
>75 deg = cardio compromise
Term
Rxs that cause SIADH (water retention, oliguria, natriuresis, hypoNA) - INC urine Na >400, low BUN & uric acid
Definition
vasopressin, chlorpropamide (sulfonylurea-DM, stim insulin rel), vincristine, cyclophosphamide
Others that cause SIADH - malignancies (small cell CA), infxn, CNS disorders
Term
sialadenitis
Definition
bacterial infxn of salivary gland - submandib or parotid glands
MC - S aureus
assoc w/ dehydration, Sjogren's
Tx - abx (nafcillin), hydration, warm compress, lemon drop/massage (stim salivation)
Term
Warthin tumor (papillary cystadenoma lymphomatosum)
Definition
benign neoplasm of salivary gland, 50-60s, smokers
Term
peritonsillar abscess
Definition
serious, invasion of tonsillar capsule, sore throat, odynophagia, "hot-potato" voice*
Term
Meperidine
Definition
mu opiod-R agonist (pain med)
Do not use w/ MAO inhibitor or SSRI --> cause serotonin syndrome (delirium, HA, autonomic instability, mm rigidity, convulsion, coma)
Term
CML
Definition
granylocytosis w/ granulocytic immaturity, anemia, thrombocytosis, splenomegaly, abd fullness*
Term
AML
Definition
overprod blast cells in marrow, abnorm prod of other blood cells, anemia, thrombocytopenia, fatigue, weakness, dyspnea, easy bleeding/brusing
Term
Hodgkin lymphoma
Definition
B cells of germinal center, Reed-Sternberg cells, 15-34, 60+ grp, nontender LAD, supradiaphragmatic nodes (cervical/supracervical region)
Term
testicular malig, 15-35, INC bHCG, histo - "fried egg"
Definition
seminoma
Term
prepubescent male, high AFP, Schiller-Duvall bodies
Definition
yolk sac (endodermal sinus) tumor
Term
bind 30S ribosomal subunit
Definition
tetracycline
Term
bind 50S ribosomal subunit
Definition
clindamycin, chloramphenicol, erythromycin, linezolid, lincomycin
Term
bind D-alanyl-D-alanine portion of cell wall
Definition
vancomycin
Term
block DNA topoisomerase
Definition
quinolone
Term
inhib syn of peptidoglycan layer
Definition
beta-lactam abx (PCN, cephalosporin, carbapenem, monobactam)
Term
severe mm pain, influenza-like Sx, centrifugal rash
Definition
Dengue fever (aka breakbone dz) - flavivirus, mosquitos, S & Central America, Africa, Asia
Term
high fever, black emesis, jaundice, INC LFTs, Councilman bodies in liver or PCR
Definition
Yellow fever - flavivirus, Aedes mosquito, S America, Africa
Term
sulfonylurea (-ide)
Definition
tolbutamide, chlorpropamide, glyburide, glipizide
MOA - stim insulin rel fr pancreatic beta cells
SE - hypoglycemia*, SIADH
Term
metformin
Definition
DEC hepatic gluconeogenesis, INC insulin sensitivity
SE - lactic acidosis
Note: contraindicated in kidney failure!*
Term
thiazolidinediones, rosiglitazone, pioglitazone
Definition
stim PPAR-gamma-R --> INC peripheral sensitivity to insulin
SE - wt gain, edema, hepatotoxicity, CHF
Term
acarbose, miglitol
Definition
inhib alpha-glucosidase
MOA - inhib intestinal brush-border enzyme that breaks down complex sugar into glucose
SE - flatulence
Term
malig cerebellar tumor of kids, compresses 4th ventricle (but doesn't arise in it), hydrocephalus, histo- small blue cells, Homer-Wright rosettes (halo of cells surrounding central ball-like filled w/ fibers)
Definition
Term
DEC serotonin and norepi
Definition
depression
Tx - SSRI followed by SNRI (selective serotonin/norepi reuptake inhib)
Term
Huntington's
Definition
INC dopa, DEC GABA & Ach (loss of Ach also seein in Alzheimer's), caudate nuc atrophy --> enlarged 3rd & 4th ventricles
Tx - reserpine & tetrabenzine (deplete dopa by DEC amine precursors), haloperidol (dopa-R antag)
Term
gait ataxia, areflexia, hypertrophic cardiomyopathy, foot deformities
Definition
Friedreich's ataxia - trinuc repeat, dirsup mitrochondria frataxin gene
Term
pleasure & reward NT
Definition
dopamine followed by serotonin
Term
mood NT
Definition
serotonin and norepi
Note: 1st line tx for depression - SSRI and SNRI
Term
plasticity & learning NT
Definition
Ach
DEC in Alzheimer's, Huntington's, myasthenia gravic (thru nicotinic-R), promotes REM sleep, inhib effect on smooth mm (cardiac) via muscarinic-R & excitatory ones at NMJ via nicotinic-R --> activ skeletal m, GI contractility, constricts bronchioles
Term
hydrocephalus ex vacuo
Definition
dilated lat ventricles d/t cerebral white matter atrophy (ex Alzheimer's, aging)
Term
MCC hypocalcemia (tetany, mm spasm, cramps, +Chvostek sign-facial spasm, +Trousseau's sign-carpopedal spasm) - means DEC ionized Ca (vs factitious hypoCa = DEC total Ca, not ionized
Definition
hypoalbuminemia
Term
acute intermittent porphyria
Definition
build up of porphobilinogen & d-ALA, defective porphobilinogen deaminase
Term
porphyria cutanea tarda
Definition
build up uroporphyrin, defective uroporphyrinogen decarboxylase
Term
porphyria 5 P's
Definition
polyneuropathy, pyschiatric abnorm, painful abd, pink urine, pharmaceuticals (Rx-induced, barbituates contraindicated)
Term
opiates
Definition
morphine, heroin, hydromorphone, codeine
Term
EKG U waves
Definition
rep ventric repol
hypokalemia (Conn syndrome - high ALD, Na, Low K) & antiarrythmic Rxs make it more pronounced
Congenital U waves marker for susceptibility to torsades de pointes
Term
hypoCa
Definition
QT prolongation --> risk of torsades de pointes (v tach)
Term
DEC Mg
Definition
weakness, tremors, mm cramps
arrhytmias, INC DTR
Term
nephrotoxicity SE
Definition
platinum-based agents (cisplatin, carboplatin, oxaliplatin)
Term
anthracycline
Definition
doxorubicin, daunorubicin
MOA - inhib topoisomerase II (prevent DNA repair), inserts itself bet DNA, block DNA synthesis, gen fre radicals (cell damage)
SE - Cardiotoxicity&
Term
C dif tx
Definition
1st line - metronidazole
2nd line (if pt can't tolerate above) - ORAL vancomycin
Term
SSRI
Definition
citalopram, fluoxetine, paroxetine, escitalopram, sertraline, fluvoxamine
MOA - inhib serotonin reuptake at presynaptic neurons (INC serotonin in synaptic cleft)
SE - DEC libido, sex dysfxn, serotonin syndrome (excess use or use w/ MAOI): hyperthermia, tachycardia, tremor, hallucination
Term
MAOI
Definition
selegiline
MAO - breaks down dopamine, serotonin & norepi
SE - serotonin syndrome if used w/ SSRI, hypertensive crisis if take w/ tyramine products (alcohol, cheese)
Term
TCA
Definition
amitriptyline
MOA - inhib serotonin & norepi transporters, inhib H1, 5-HT (serotonin), alpha-1, Ach receptors
Term
SNRI
Definition
venlafaxine, desvenlafaxine, duloxetine
MOA - block serotonin & norepi transporters
Use - anxiety, diabetic neuropathy, fibromyalgia, msk pain
Term
mirtazapine
Definition
antidepressant
MOA - antag serotonin, central alpha-2-R
Use - appetite stimulant, insomnia
SE - INC liver enzymes, neutropenia
Term
danazol
Definition
MOA - supress rel of FSH/LH, inhib ovarian estrogen prod
Use - endometriosis, fibrocystic breast dz
SE - INC androgens --> hirsutism, deep voice, wt gain, acne
Term
large fixed, non-tender abd mass, HTN, INV HVA, VMA & dopamine
Definition
neuroblastoma - MC adrenal medulla tumor in kids
Dx - Bx: small clue cells w/ Homer-Wright rosettes (neuroblasts clustered around central space)
Term
hyperthyroidism initial Dx test
Definition
TSH level will be DEC
(Note: INC T4 & T3)
Tx - methimazole or PTU (TOC)*, BB for tachycardia, palpitations, tremors
Term
+anti-DNA topoisomerase I Ab or anti-SCL-70 Ab
Definition
scleroderma
Term
sensory (afferent) pathway of cough reflex
Definition
internal laryngeal nn (branch of sup laryngeal) - sensory innerv to larynx above vocal cords
Term
motor (efferent) limb of cough reflex (glottis closure, bronchoconstriction, insp/expiratory phase of cough)
Definition
recurrent laryngeal nn (close to glottis to prevent further entry); often damaged during thyroid surg = hoarseness
Note: also makes up sensory limb of cough reflex below vocal cords
Term
1st line Tx for psoriasis
Definition
topical corticosteroids
Term
rotator cuff mm (SITS)
Definition
supraspinatus - ABd
infraspinatus - ext rot
teres minor - ext rot
subscap - int rot
Term
bicipital tenosynovitis
Definition
Tests:
+Yergason's - forearm pronated & ext rot, flex vs resis
+Speed's - supinated forearm flexed to 90 deg vs resis while bicipital groove palpated
Term
osteoporosis Tx
Definition
exercise, calcitonin (nasal rx for those who can't take oral, MOA - inhib Ca reabsorp, DEC osteoclastic activity), raloxifene, Ca, vit D, biphosphonates, PTH
Term
fatigue, pruritis, F, jaundice, hypercholesterolemia, INC alk phosphatase, IgM, antimitochondrial abs* hallmark
Definition
primary biliary cirrhosis
Term
gout rx - inhib microtubule assembly, spindle formation, arrest cell division
Definition
colchicine
Term
inhibit xanthine oxidase
Definition
febuxostat, allopurinol
normally converts hypoxanthine to xanthine which is metab to uric acid
Term
serotonin
Definition
synthesized fr tryptophan in raphe nuc by tryptophan hydroxylase
Controls mood, sleep, temp, BP
DEC in depression & anxiety
GI motility (diarrhea), bronchoconstriction (wheezing), vasodilate (cerebral BV; Tx - cluster HA)
Term
GABA
Definition
made in nuc accumbens fr glutamate (req B6-pyridoxine)
DEC in anxiety, Huntington's
GABA-inducing rxs: alcohol, benzos, barbituates
Destruction of GABA in UMN = hypertonic mm
Term
normal pressure hydrocephalus (NPH)
Definition
"wet, wobbly, and wacky" (incontinence, gait, dementia)
Impaired CSF absorp by arachnoid granulation --> INC pressure on periventricular white matter leads to Sx
Term
strongloides stercoralis (threadworm)
Definition
intestinal nematode, tropics, penetrates skin/mucosa, go to lung, cough and swallowed, invades intestine
Tx -bendazoles or ivermectin
*Serious dz in immunocompromised
Term
undercooked pork helminth
Definition
Trichinella spiralis, Taenia solium
Term
undercooked crab
Definition
Paragonimus wetermani
Pneumonia w/ hemoptysis, secondary bacterial lung infxn
Tx - praziquantel
Term
hip, shoulder, neck pain, assoc w/ temporal arteritis
Definition
polymyalgia rheumatica
Term
microglia arise fr
Definition
mesoderm
Term
most of CNS cells arise fr
Definition
neuroectoderm: oligodendrocytes, astrocytes, ependymal cells
Term
Schwann cels & PNS arise fr
Definition
neural crest cells
Term
Tx for MDD resis to monotherapy w/ antidepressants
Definition
add Lithium
Term
second-gen antihistamine
Definition
loratadine, cetrizine - non-sedating (doesn't penetrate CNS)
Term
1st gen antihistamine
Definition
diphenhydramine - sedating
Term
precocious puberty + cafe au lait spots
Definition
McCune-Albright syndrome
Term
INC hat size, hearing loss (bc of INC bone deposit narrows auditory foramen), INC alk phosphatase w/out INC Ca, phosphate or PTH
Definition
Paget's dz - osteoblastic/-clastic lesions
Term
C diff
Definition
Gram + rod (bacilli), anaerobic spore-forming
Term
Neisseria
Definition
Gram neg cocci
Term
Gram neg rod
Definition
Enterobacter, Serratia, Salmonella, Shigella, Pseudomonas
Term
Acid fast rod
Definition
Mycobacterium, Nocardia
Term
beingin, squamous cell papilloma, multiple wart-like on vagina, vulva or perianal, histo - koilocytes (expanded epi cells w/ perinuclear clearing)
Definition
Condylomata acuminata - HPV 6 & 11
Term
intermittent fever, chills, hemolytic anemia (similar Sx to malaria), hemoglobinuria, thrombocytopenia, Smear - maltese cross** pathog or "diamond ring"
Definition
Babesiosis - transmit by Ixodes (also cause Lyme dz), NE upper Midwest US
Tx - quinine + clindamycin
Term
dilated cardiomyopathy, megacolon, megaesophagus, transmit by Reduviid bug
Definition
Chagas dz - T cruzi (protozoan)
Tx - nifurtimox
Term
mental retard, delayed devolpment, musty body oder
Definition
PKU - DEC phenylalanine hydroxylase (convert phenylalanine to tyrosine)
Tx - restrict phenylalanine, INC tyrosine
Term
pruritic, macular target like lesions on palms/soles
Definition
erythema multiforme minor - assoc w/ HSV
Note: erythema multiforme major - aka SJS - 2ndary to meds, cause mucous membrane ulceration + target lesions
Term
C7 impingement
Definition
weakness in triceps (DEC reflex), tingling middle finger
Term
C6 impingement
Definition
numbness lat foream & thumb, weakness wrist extensor & elbow flexor mm
Term
C5 impingment
Definition
DEC biceps reflex, numbness lat elbow, shoulder ABduction
Term
C8 impingement
Definition
numbness lil finger, forewarm, weak handgrip
Term
Imipenem, ertapenem, meropenem caution
Definition
INC valproic acid clearance (thus pt gets seizures), also causes seizures & other CNS (HA, irritability, ataxia, speech) indep of interaction w/ valproate
Term
arthrocentesis - weakly bifringent, blue rhomboid crystals, swollen knee, normal WBC & uric acid levels
Definition
calcium pyrophosphate deposition dz (aka pseudogout)
Tx - NSAIDs
xray - chondrocalcinosis - calfic in hyaline/cartilage
Term
Chlamydia
Definition
Giemsa stain
lack muramic acid in cell walls so immune to B-lactams
Tx - doxycycline or macrolide (azithromycin)
Term
Giemsa stain
Definition
"Bugs That Color Pink"
Berrelia, Trypanosomes, Chlamydia, Plasmodium
Term
Type IV collagen defect (makes up GBM), nephritis (hematuria), deafness, ocular lesions
Definition
Alport syndrome (eyes, ears, kidneys)
Term
Type I collagen defect
Definition
Ehlers Danlos
Osteogenesis imperfecta
Term
Type II collagen defect
Definition
hylaine cartilage, jts, spine, veitreous humor of eye
Term
Type III collagen defect
Definition
skin, arterial walls, intestine
Ehlers-Danlos
Term
Type V collage defect
Definition
Ehlers-Danlos
Term
PTSD Tx
Definition
SSRI (citalopram)
Term
atrial flutter causes
Definition
HTN, rheumatic heart dz, CAD, hypertyroidism
Tx - cardioselective BB or CCB
Term
Zink's compensatory pattern
Definition
OA - Rot L
Thoracic inlet - ease on R
Thoracoabd diaphragm (and lumbosacral fascia) - ease on L
Pelvic diaphragm (and lumbosacral fascia) - ease on R
Term
weakness on hip abd, "hip drop" on unaffected side when asked to stand on affected leg (+Trendelenburg sign)
Definition
injury to sup gluteal nn - gluteus medius, minimus & TFL
Term
gluteus max innerv by
Definition
inf gluteal nn - injury = extending/ext rot hip and thigh
Term
obturator nn innervates
Definition
hip ADDuctors: gracilis, adductor longus/brevis/magnus (can't ride horse)
Term
sciatic nn innervates
Definition
ABductor magnus, biceps femoris, semitendinosus, semimembranosus (weak ADduction, hip ext, knee flexion
Term
femoral nn innervates
Definition
thigh flexors - iliacus, sartorius
leg extensors - rectus femoris, vastus medialis, vastus lateralis
Term
Std deviation
Definition
within...
1 SD = 68% of pop
2 SD = 95%
3 SD = 99.7%
Term
hypothalamic medial preoptic nuc
Definition
rel GnRH --> reg FSH/LH
Term
supraopic nuc
Definition
makes ADH, rel to post pituitary
Term
HIGH 17-hydroxyprogesterone
Definition
lead to precocious puberty & virilization bc of excess androgens
Note: will have DEC CORT, d/t loss of neg fb, INC ACTH
Term
MEN IIB
Definition
1) medullary thyroid CA - malig of parafollicular C cells (normally secrete calcitonin)
pheochromocytoma
mucosal ganglioneuroma
*Marfenoid habitus
Term
MEN I
Definition
pancreas
parathyroid
pituitary
Term
MEN IIA
Definition
mdulluary thyroid CA
pheochromocytoma
parathyroid gland hyperplasia
Term
papillary thyroid adenoCA
Definition
MC thyroid CA, best prog, F, 20-30s, radiation exposure, histo - psammoma bodies, empty-appearing nuc (orphan Annie)
Term
follicular thyroid CA
Definition
present as thyroid nodule, does NOT enhance on radioiodine scan (cold nodule), histo - neoplastic follicles invading BV
Term
anaplastic thyroid CA
Definition
worst prog, elderly F, histo - squamoid, spindle, giant cell types w/ high mitosis
Term
follicular thyroid adenoma
Definition
MC benign tumor of tyroid, cold nodule, can progress to follicular thyroid CA
Term
dendrites
Definition
where neurons receive info, where most receptors are found*
Term
aspergillus fumigatus (monomorphic mold w/ septate 45 deg branching hyphae w/ "fruiting bodies")
Definition
Allergic bronchopulm aspergillosis (asthma)
Fungal ball (lung cavity, ex TB)
Inasive aspergillosis (immuncomp, CF) - Tx Voriconazole
Term
prolonged PTT & bleeding time
Definition
von Willebrands dz
Tx - DDAVP (desmopressin) - INC circ vWF and factor VIII
Term
vasa previa
Definition
fetal vessels (normally insert at chorionic disk of placent w/in umbilical cord) are unprotected & insert bet 2 layers of placenta & cross over internal cervical os --> compression/rupture of fetal presenting part (rare)
Term
vit defic - alopecia, dermattiis, central/peripheral neuroptahy, depression, NV
Definition
biotin defic
Term
vit defic - neutropenia, osteoporiosis, hypochromic anemia
Definition
copper defic
Term
vit defic - hypogonadism, alopecia, impaired immunity, anorexia, dermatitis, hypogeusia (DEC taste), night blindness, anemia, lethargy, impaired wound healing
Definition
zinc defic
Term
vit defic - ecchymosis, petechiae, bleding
Definition
vit K defic
Term
limbic sys
Definition
hippocampus - memory formation
fornix - carries signal fr hyppocampus to hypothalamus
amygdala - emotional learning (fear)
mamillary bodies - memory formation
septal nuclei - connects areas, reward
Term
Kluver-Bucy syndrome
Definition
bilat temporal lobe lesion --> affect amygdala & limbic sys = social/emotional deficits: overeact to objects, loss of fear, hypersexuality, hyperorality
Term
need to be ctr of attn, sexually seductive/provocative, shallow expression of emotions, easily influenced, exagerate relationships
Definition
histrionic personality disorder
Term
ulcerative colitis tx
Definition
5-ASA / mesalamine or sulfasalazine
friable mucosa, erythema, crypt abscess, low grade fever, assoc w/ cholangiocarcinoma, sclerosing cholangitis, colon CA
Term
night terrors, nocturnal enuresis, somnambulism (sleep walking)
Definition
non-REM sleep (stages 3 & 4)
Term
Stages of Sleep - EEG
Definition
awake - beta
going to sleep - alpha
1 - theta (hypnagogic hallucination, twitching)
2 - sleep spindles, K complexes
3-4 - delta
REM - beta
Term
pulmonary embolism test
Definition
spiral CT* TOC (aka CT angiogram or CT w/ PE protocol)
V/Q scan
Tx - heparin
EKG - S1Q3T3 (S wave lead 1, Q wave lead 3, reversed T wave lead 3), sinus tachycardia (MC)
Term
Deep vein thrombi setting of Virchow's triad
Definition
venous stasis (immobilization)
vasc injury (surg)
hypercoagulability (malignancy INC procoagulable cytokines)
Term
EKG - ST seg diffusely elev, diffuse depressed PR seg
Definition
pericarditis
Term
zero-order elim Rxs
Definition
"PWHEAT"
Phenytoin
Phenylbutazone
Warfarin
Heparin
Ethanol
Asprin
Theophylline
Tolbutamide
*Note: any drug can have zero-order if given at high concenc
Term
inhib viral DNA polymerase when phosphorylated by viral thymidine kinase
Definition
Acyclovir
Use - HSV
Term
inhib of inosine monophosphate dehydrogenase
Definition
ribavirin
Use - Chornic Hep C & RSV
Term
block viral uncoating to prevent penetration
Definition
Amantidine
Use - influenza A, Parkinson's, Rx-induced EPS sxs
Term
inhib viral RNA & DNA polymerase
Definition
Foscarnet
Use - acyclovir-resis HSV, CMV retinitis
Term
benign lesion, darkening plaque w/ wart-like, velvety texture, "stuck on" look, elderly, not assoc w/ sunlight
Definition
seborrheic keratosis
Term
ulcerated, nodular, crust, can result fr untreated actinic keratoses & sun exposure
Definition
squamous cell CA
Term
assoc w/ sun exposure, well demarcated, shiny papule w/ umbilicated ctr & telangiectasia
Definition
basal cell CA
Term
masso cw/ sun exposure, has ABCDE charac (>6 mm)
Definition
malig melanoma
Term
assoc w/ sunexposure, crusty lesion in sun-exposed area, may be pre-cancerous leading to SCC
Definition
actinic keratosis
Term
male smoker, >50, fever, wt loss, hematuria, flank pain, palpable mass, US* (TOC) - renal mass
Definition
renal cell carcinoma
Assoc w/ paraneoplastic syndrome - polycythemia* (d/t DEC EPO), hypercalcemia* (d/t PTH-like secretion)
Risk factors: adult polycistic kidney dz, ESRD, heavy metal exposure, von Hippel Lindau syndrome (hemangioblastomas)
Term
somnambulism (sleep walking) tx
Definition
TCA (imipramine) - inhib reuptake of serotonin & norepi
Benzo (clonazepam) - INC GABA efficiency by INC freq of opening Cl- channel
Term
prego - HTN, proteinuria, edema
Definition
pre-eclampsia
Tx to prevent eclampsia = includes seiuzres
Term
singultus OMM tx
Definition
aka hiccups (spasmodic contractions of diaphragm)
Tx - myofascial diaphragm release
Term
Yersinia enterocolitica - glucose-fermenting, coagulase pos, oxidase neg
Definition
Gram neg - cause mesenteric adenitis (inflamed mesenteric LN w/ R abd pain - mimic appendicitis), invasive enterocolitis w/ fever & diarrhea (+/- blood, day care kids
Term
MAO inhibitors (inhib degradation of serotonin, dopamine, norepi)
Definition
Tranylcypromie
Selegiline
Phenelzine
Isocarboxazid
SE - hypertensive crisis esp w/ tyramine food (wine, cheese)* or SSRI, analgesics, sympathomimetics
Term
SSRI - inhib serotonin reuptake, INC serotonin
DOC* for depression
Definition
fluoxetine, sertraline, fluvoxamine, citalopram, vilazodone
SE - serotonin syndrome (hyperthermia, mm rigidity, myoclonus, seizure, flushing, diarrhea)
Term
SNRI - inhib reuptake of serotonin + norepi
2nd line tx for depression
Definition
venlafaxine, duloxetine, desvenlafaxine
Term
TCA (-triptyline, -pramine, doxepin)
Definition
inhib reuptake serotonin + norepi
SE - cardiotoxicity
Term
rod shaped bacterium grows on TCBS/alkaline medium, comma-shaped, oxidase-pos, copious rice water diarrhea
Definition
Vibrio
Tx - oral rehyration
has toxin that activ cAMP --> secreting electrolytes
Term
ototoxicic antibacterial rx
Definition
aminoglycoside (gentamycin)
also nephrotoxic
Term
stats
Power = 1 - beta (type II error)
Definition
type II error = accept false null hypothesis
Power INC when: INC Type 1 error, INC diff bet actual mean & hypothesized mean of null, DEC sampling error, INC sample size
Note: Type 1 error - null hypothesis incorrectly rejected
Term
causes of metabolic alkalosis
Definition
INC HCO3 & PCO2 (compensatory)
Loop diuretics, thiazides, vomiting, hyperALD (Conn's syndrome)
Term
cluster HA tx
Definition
100% O2 (cheaper/safer than sumatriptan)
Verapamil - prophylaxis
Term
INC GGT + alk phosphatase
Definition
liver dz
Term
normal GGT + INC alk phoshatase
Definition
bone dz
Term
Zollinger-Ellison tx
Definition
PPI - inhib H/K/ATPase on gastric parietal cells
Also for ulcers, gastrinoma, prevent stress-related GI bleeding
Term
inhib cycloxygenase
Definition
Indomethacin (nonselective COX-1 & 2 NSAID)
Use - acute gouty arthritis, acute bursitis/tendonitis, osteoarthritis, rheum arthritis, ankylosing spondylitis, close PDA
Term
activ mu opiod-R
Definition
hydromorphone, morphine, heroin, codeine, meperidine, tramadol
MOA - inhib GABAergic neurons
Use - arthritis, post op pain, pain of CA/terminal illness
Term
inhib phospholipase A2 and COX
Definition
corticosteroids
Term
facilitation of GAG prod
Definition
glucosamine-chondroitin (makes up part of articular cartilage)
Use - osteoarthritis
Term
inhib lipoxygenase/LOX
Definition
antileukotriene - zileuton (5-LOX inhibitor)
Use - asthma
Normally leukotriene = pro-inflamm, bronchial constriction
Term
slow steo-wise decline in memory caused by cerebral atherosclerotic plaque
Definition
multi-infarct dementia
Risk factors - hx stroke, atherosclerosis, smoking, HTN
Term
Pick's dz
Definition
frontotemporal dementia
personality changes, speech disturb, destruc of nn cells --> accum tau proteins (also seen in Alzheimer's)
Term
Lewy body dementia
Definition
Lewy bodies (intracytoplasmic inclusions in damaged cells of substantia nigra) - main component is alpha-synuclein*
Also in Parkinson's
>65 yo, initial - hallucinations
dementia, confusion, rigid mm, tremors, slow movement
Term
nephritic syndrome presents concurrently or w/in days of URI, assoc w/ HSP
Definition
Berger's dz (IgA nephropathy)
Term
Ketorolac
Definition
nonselective NSAID
Use - acute, opiod-level pain - post-op surg pain, given parenterally (don't give in GI ulers)
MOA - irrev inhib COX 1 & 2
Term
looks like kid daydreaming, rapid eye blinking, lip smaking, head movements, consciousness impaired, "depersonalization"
Definition
absence seizure
Tx - ethosuximide
Term
heavy bleeding, pelvic pressure, irreg shaped uterus
Definition
Uterine leiomyoma
Tx - Leuprolide - GnRH agonist
Pulsatile - agonist - INC LH/FSH
Continuous - antag - block GnRH-R, DEC, FSH/LH
Other use - prostate CA, endometriosis
Term
terbutaline
Definition
B-2 adrenergic agonist (lung/uterus)
Use - DEC uterine contractions in premature labor, COPD/asthma
Term
danazol
Definition
MOA - DEC ovarian syn of estradiol
Use - Seldom used for fibroids, endometriosis bc of SE (hirsutism, breast atrophy, acne)
Term
mirtazapine
Definition
antidepressant
MOA - 5-HT & central alpha-2 adrenergic-R antag
Use - depression assoc w/ DEC appetite, insomnia
SE - INF LFT, neutropenia
Term
trazadone
Definition
antidepressant, sedating, priapism (prolonged painful erection)
MOA - inhib 5-HT2A (serotonin)-R
Term
impetigo (topical tx), nasal carriers of MRSA tx
Definition
Mupirocin - topical, covers Group A strep, staph
MOA - inhib protein syn (also - retapamulin, fusidic acid)
Term
inhib DNA rep abx
Definition
ciprofloxacin, levofloxacin (FQs)
MOA - inhib DNA gyrase (topoisomerase)
Term
impetigo tx (oral)
Definition
amoxicillin-clavulanate or cefuroxime - adv impetigo
Nafcillin - Methicillin-sensitive staph
Term
INC membrane permeability abx
Definition
Daptomycin (IV) - serious MRSA infections
Term
pseudomembranous colitis tx
Definition
ORAL vancomycin
Term
calcitonin nasal spray
Definition
POST-menopausal osteoporosis
Term
IgG abs vs demoglein (adhesion molecule), stats in oropharynx, spread to skin, Bx (IF) - IgG deposits bet epidermal cells, +Nikolsky's sign
Definition
pemphigus vulgaris
Term
blisters (rarely affect mucosa), >65 yo or mid age, Abs vs BM, Bx - IgG & C3 linear pattern at derm jxn
Definition
bullous pemphigoid
Term
INC EPO, high vascilarity, clear, foamy cells, cerebellar or spinal cord location (adults), kids, von-Hippel Lindau dz
Definition
hemangioblastoma
Term
pilocytic low-grade astrocytoma
Definition
kids (5-15), benign, tumor cerebellum, hypothalamus, optic chism, INC ICP, histo - GFAP+ astrocytes w/ Rosenthal fibers
Term
DM, cholelithiasis, steatorrhea, gastric hypochlorhydria, wt loss, hyperglycemia, INC somatostain levels
Definition
somatostainoma - malig neuroendocrine tumor of delta cells in pancreas --> inhib rel of insulin, glucagon, gastrin, GH, CCK (GB sxs), digestive enzymes
Term
Clostridium perfringens
Definition
gram +, spore forming, obligate anaerobe, alpha toxin (gas gangrene - wounds, post-Gi surg), enterotoxin (food poisoning, diarrhea)
Tx - PCN G, clindamycin, surg debridement
Term
lactulose
Definition
Use - hepatic encephalopathy
MOA - acidifies gut and transform ammonia into ammonium (nonabsorbable) so it doesn't enter circ; DEC ammonia-producing gut flora
(acidification of colonic contents)
Term
disulfuram
Definition
inhib aldehyde dehydrogenase (ethanol metab) --> accum acetaldehyde after ethanol ingesion = unpleasant rxn
Use - deterrent, alcoholism
Term
DEC tremors/rigidity of Parkinson's, anti-cholinergic SE (dry mouth, urinary retention, mydriasis)
Definition
benztropine - anti-cholinergic*
Term
corpus luteum cyst
Definition
persis hemorrhage into corpus luteum after ovulation, young pt a/ acute onset abd pain, neg prego test, no fever
Term
heinz bodies
Definition
G6PD defic
thalassemias
Term
basophilic stippling
Definition
lead poisoning* and other heavy metals
thalassemia
alcohol abuse
Term
acanthocytes
Definition
aka spur cells
liver dz
Term
Howell-Jolly bodies
Definition
hypospenia/asplenia
Term
G6PD defic
Definition
DEC haptoglobin
INC indirect hyperbilirubinemia
neg Coombs test (r/o autoimmune hemolysis - Abs vs RBCs ie SLE, CLL, lymphomas)
Term
ANP/BNP (released in CHF)
Definition
DEC reabsorp of Na in distal tubules, collecting tubules, collecting ducts
Term
Angiotensin II
Definition
acts on prox tubules, thick asc loop of Henle, distal tubule to INC Na reabsorp, INC H+ secretion lead to "contraction alkalosis"
Term
PTH
Definition
stim bone resorption
stim vit D activ
INC Ca reabsorp & phosphate excretion at prox tubule, thick asc loop of Henle, distal tubule
Term
inhib ALA dehydratase & ferrochelatase
Definition
lead poisoning - fatigue, insomnia, malaise, abd pain, HA
Dx - blood lead level, smear - basophilic stippling, xray - line at epiphyses of long bones
Tx - EDTA, dimercaprol, succimer (kids)
Term
pyridoxine defic
Definition
caused by INH, hydralazine
peripheral neuropathy*, glossitis, weakness, irritablity
Smear - sideroblastic anemia
Term
DTR reflexes
Definition
Biceps C5-6
Triceps C6-7
Patellar L3-4
Achilles S1-2
Term
pleuritic chest pain, relieved by sitting fwd, friction rub, diffuse ST elev & PR depression
Definition
Acute pericarditis
Etio - viral, bacteria, uremia, Dressler's syndrome (autoimmune rxn post-MI), post cardiac surg, SLE, amyloidosis, procainamide-induced* lupus pericarditis
Tx - address underlying cause (ex stop procainamide), NSAIDs (ibuprofen)
Term
INC ACE, hyperCa, bilat hilar LAD
Definition
sarcoidosis
Tx for hypercalcemia - furosemide* (loop diuretic) - DEC Ca
Term
Alzheimer's tx
Definition
1st line - supportive, cholinesterase inhib (donepezil, rivastigmine, galantamine - slow progression)
Term
antag NMDA-R
Definition
anesthetics, memantine
Term
conversion by DOPA decarboxylase to dopamine
Definition
levodopa-carbidopa - Parkinson's
Term
inhib MAO-B
Definition
selegeline, rasagiline
Use - depression, dementia, early-onset Parkinson's
Term
block Na channels
Definition
1) local anesthetics (-caines)
2) class 1 antiarrhythmics (quinidine, disopyramide, procainamide)
3) anticonvulsant (phenytoin, lamotrigine, carabamazepine)
Term
serotonin syndrome
Definition
INC BP, temp, HR, dipahoresis, HA, AMS
caused by selegiline (MAO-B) + serotonergic rxs (SSRI and antiemetic ondansetron)
Term
hypertensive crisis
Definition
in pts taking non-selective MAOI (phenelzine, tranylcypromine) + tyramine foods
Term
capitation
Definition
physician paid contracted rate for each member regardless of number of sevices provided
Ex. HMOs
Term
fee for service
Definition
fee paid to doc according to service performed
Term
collective bargaining
Definition
grp of employees collectively achieving agreements w/ employer (unionization)
Term
R sided colon tumors
Definition
melena ("black and tarry stools"), Fe defic anemia
Term
L sided colon tumors
Definition
hematochezia (bright red blood), narrow "pencil" stools
Term
LLQ pain, fever, leukocytosis
Definition
diverticulitis
Term
epiglotitis
Definition
H flu - chocoalte agar
Vaccine - Ag fr bacteria's polysaccharide capsule + protein (dipheteria toxin)
Tx - Ceftriaxone, rifampin prophylaxis for fam members
Term
epiglotitis
Definition
Ceftriaxone, rifampin prophylaxis for fam members
Culture - chocolate agar
Term
obese F, HA, CN VI palsy (double vision on eye movement), papilledema, INC opening pressure on LP
Definition
idiopathic intracranial HTN
Term
Res Ipsa Loquitar
Definition
physician acted negligently bc an accident occured
Term
contributory negligence
Definition
patient, thru own negligence, contributed to injury
Term
Respondeat Superior / vicarious liability
Definition
employer responsible for employee's action performed during employment (ex doc working at hospital, nurse working at physician's office)
Term
Wilson's dz
Definition
INC total body copper, DEC serum copper bc of DEC ceruloplasmin
Most specific test - liver Bx
TOC - penicillamine - promote excretion
Term
INC MCHC
Definition
spherocytosis
hemolysis
Term
DEC MCHC
Definition
hypochromic anemia
sideroblastic anemia
anemia of chronic dz
Term
Causes of microcytic anemia
Definition
Fe defic anemia
Anemia of chronic dz
Sideroblastic anemia
lead poisoning
thalassemia
Term
causes of normocytic anemia
Definition
hemolysis:
sickle cell
autoimmune hemolytic anemia
hereditary spherocytosis
G6PD defic
anemia of chronic dz
Term
macrocytic anemia
Definition
megaloblastic - B12/fol defic, MTX use
nommegaloblastic - alcoholism, chronic liver dz, myelodysplastic syndrome, hypothyroidism
Term
Fanconi anemia
Definition
inherited bone marrow failure, mut DNA repair gene, 6-9 yo, short, cafe au lait spots, anomalies (thumb, radius, GU)
Term
partial dopamine agonist
Definition
bromocriptine
MOA - INC dopamine - reg inhib GABA-ergic effects, allow normal movement
Use - Parkinson's, prolactinoma
Term
CD19, CD20+ lymphocytes, t(14;18), progressive LAD of neck, enlarging abd mass, B sx (night sweats, fever, wt loss)
Definition
Diffuse large B cell lymphoma - MC non-Hodgkin lymphoma, males, 65 yo
Term
Reed-Sternberg cells (2+ prominent nucleoli surrounded by large clear cytoplasm), LN pain after drinking EtOH*, CD30+, CD15+, CD20-
Definition
Nodular sclerosis Hodgkin lymphoma - MC Hodgkin lymphoma, bimodal peaks (15-35, 60+ yo), young F
Tx - ABVD (doxorubicin, bleomycin, vinblastine, dacarbazine) + radiation
Term
Other types Hodgkin lymphoma
Definition
Mixed cellularity - assoc w/ EBV infxn
Lymphocyte rich - best prog
Lymphocyte depleted
Term
Peripheral T cell lymphoma
Definition
aggressive mature T cell lymphoma
Dx - CD4 and/or CD8 positivity
Term
granulary casts, muddy brown casts or renal tubular casts, BUN:Cr ratio <20:1, urine Na >40, FENa >2%, urine osmolality <350
Definition
acute tubular necrosis - MCC acute renal failure
Etio - ischemia, nephrotoxicity (aminoglycosides*, NSAIDs, radiocontrast, cisplatin), myoglobinuria (rhabdomyolysis), Bence Jones protein (MM), hyperuricemia (cell lysis), hemoglobinuria, DEC RBF
Term
colorectal CA rx tx
Definition
5-FU* - thymidylate synthetase inhibitor (normal - methylates dUMP to dTMP)
SE - myelosuppression (pancytopenia - anemia, thrombocytopenia)
Term
retinal aa occlusion
Definition
acute, painless, monocular* loss of vision d/t embolis, pale retina w/ cherry-red macula (blood supply fr ciliary aa)
Term
opthalmic aa occlusion
Definition
amaurosis fugax - brief ipsi vision loss, no cherry-red spot
Term
ant choroidal aa occlusion (branch off internal carotid b4 join Circle of Willis)
Definition
contralat hemiplegia, contra loss sensation, homonymous hemianopsia
Term
ciliary aa occlusion
Definition
supplies macula
Term
E coli viruluence
Definition
UPEC - P pilus - attach urinary tract epi cells
EHEC/EIEC - shiga-like toxin
ETEC - heat labile toxin, activ cAMP
EPEC - injects proteins that interfere w/ villi actin rearrangement
Term
CN VII
Definition
motor - corneal & lacrimation reflex (senosry - CN V1), facial mm, eye lid closing, ear's stapedius, parasym for salivation (submandiublar, sublingal gland), taste fr ant 2/3 tongue
Term
celecoxib
Definition
selective NSAID
MOA - inhib COX-2 (prod PG & TxA2 fr arachidonic acid), less GI SE (COX-1 in GI)
Chronic use - MI, stroke, thrombosis
Term
MCC death in men
Definition
1-44 unintentional injury
45-54 and 65+ CV dz
55-64 and 75-84 CA
Term
Benzo OD
Definition
DEC resp rate, slurred speech, ataxia, coma, hypoTN, weakness
Antitode - flumazenil
Term
JAK2 tyrosine kinase defect
Definition
primary myelofibrosis - marrow fibrosis (overprod TGF-beta)
essential thrombocytosis
Term
bcr-abl defect
Definition
CML - t(9;22) Philadelphia chrom
Term
ret gene defect
Definition
medullary thyroid carcinoma
Term
p53 defect (tumor suppressor)
Definition
breast CA, soft tissue sarcoma, brain tumor, Wilms' tumor, pancreatic adenoCA, neuroblastoma
Term
K-ras
Definition
colon CA
Term
Abs vs platelet factor 4 complexs --> activ neighboring platelets (eventually aggregate & removed fr circ)
Definition
heparin induced thrombocytopenia (HIT) - thrombocytopenia (DEC platelets) 5-10 days after heparin started
Note - Use LMWH to DEC risk of HIT
Term
autoAbs vs vWF cleaving protease
Definition
Thrombotic thrombocytopenic purpura (TTP) - can't cleave vWF --> accum large vWF cause overaggreg of platelets
Sx - fever, microangiopathic hemolytic anemia, thrombocytopenia (petechiae, prupura), renal fiaure, neuro (HA, stroke, AMS)
Term
immune-mediated destruction of platelets
Definition
Idiopathic thrombocytopenic purpura (ITP) - bleeding mucous membranes, ecchymoses, petechiae, assoc w/ SLE, CLL
Term
DEC expression platelet glycoprotein Ib/IX
Definition
Bernard Soulier syndrome - acts as receptor for vWF, bleeding tendency
Term
defective platelet glycoprotein IIb/IIIa
Definition
Glanzmann thrombasthenia - defect platelet plug formation; bind fibrinogen to GPIIb/IIIa on 2 or more adj platelets
Term
Serratia marcescens
Definition
nosocomial UTI, pneumonia, red pigment
Tx - aminoglycoside + piperacillin
Term
Pseudomonas
Definition
pneumonia (CF), sepsis (burn), UTIs (long-term catheters), osteomyelitis (diabetics), external otitis (DM)
Tx - aminoglycoside + extended-spec PCN
Term
Proteus mirabilis
Definition
INC urine pH (ammonia smell), kidney stones, UTIs, pyelonephritis
Tx - FQs
Term
palpable purpura, abd pain, arthralgia
Definition
Henoch-Schonlein purpura - IgA mesangial deposits, affect skin, kidneys
Tx - self-limiting
Term
INC mesangial matrix
Definition
diabetic nephropathy
Term
IgG and C3 at BM
Definition
membranous nephropathy
Term
GBM splitting
Definition
Alport's syndrome (hearing loss)
Term
Hemoglobin
Definition
2 alpha + 2 beta = Hgb A (MC)
2 alpha + 2 delta = Hgb A2
2 alpha + 2 gamma = Hgb F
4 gamma = Hgb Bart (abort)
Term
widespread hemolysis (pallor, fatigue, jaundice, HSM), marrow expasion, "chipmunk facies", DEC life span, Mediterranean, African, S asian
Definition
beta-thalassemia major (defect in alpha or beta chain, get delta or gamma instead)
Tx - transfusion, splenectomy
Term
post-partum pituitary infarction or necrosis
Definition
Sheehan's syndrome - complication of severe post-portum hemorrhage: amenorrhea, can't breastfeed
Term
hematuria, abd pain, HTN, palpable kidneys
Definition
ADPKD
Dx - US
Complications: intracerebral berry aneurysms, hepatic cysts, thoracic aortic aneurysms
Term
pruritis after shower*, splenomegaly, erthyrocytosis, hyperviscosity, vascular stasis, erthyromelalgia, hyperuricemia
Definition
polycythemia vera (PV) - MC myeloproliferative dz, prolif of normal RBCs, granulocytes, platelets
Dx - erythrocytosis, leukocytosis, thrombocytosis
Hyperviscosity --> vertigo, tinnitis, HA, visual changes, TIA
Tx - phlebotomy, anticoag, allopurinol
Term
t(15;17)
Definition
Acute promyelocytic leukemia (AML) - Auer rods, M3 subtype
Tx - all-trans-retinoic acid*
Term
Chrom 3 abnorm
Definition
Von Hippel Lindau - hemangioblastomas, cysts, retinal angioma*, clear cell/renal cell CA, pheochromocytoma
Term
Chrom 22 abnorm
Definition
NF2 (hearing loss, cataracts)
Term
Chrom 4 abnorm
Definition
Achondroplasia (FGR3 gene)
Huntington's - memory, involuntary movement
Term
Erb-Duchenne's palsy
Definition
C5-6 injury (MC nn root injury during childbirth)
Term
Kumpke's palsy
Definition
C7-T1
Term
Winged scapula
Definition
C5-7
Term
Deltoid paralysis
Definition
C5,6 (axillary nn)
Term
saturday night palsy
Definition
C5-8 (radial nn - fracture midshaft humerus, crutches)
Term
musculocutaneous nn palsy
Definition
C5-7 - hypertrophy of mm or entrapment of upper trunk
Term
ape hand
Definition
median nn (C6-T1) fracture supracondylar humerus
Term
median claw hand
Definition
median nn (C6-T1), carpal tunnel, dislocated lunate
Term
ulnar claw hand
Definition
ulnar nn (C8-T1) fracture hook of hamate (fall on outstretched hand; trauma to heel of hand)
Term
PCOS
Definition
INC pulsatile rel of LH, overprod androgens by ovaries (virilization), hyperandrogenism, non-ovulatory bleeding, polycistic ovaries, LH:FSH ratio is 2:1
Term
DES in utero exposure (banned; used to prevent miscarriage & preterm labor)
Definition
INC risk vaginal clear cell adenocarcinoma*, transverse vaginal septum, T shaped uterine cavity, DEC fertility
Term
India ink
Definition
Cryptococcus neoformans (also Sabouraud's agar, latex aglutination-soap bubble) - meningitis in AIDS, Tx -amphotericin B
Term
silver stain
Definition
fungi: pneumocystis, candida, legionella, H pylori, pseudomonas
Term
Giemsa
Definition
Plasmodium, Histoplasma, Chlamydia
Term
Ziehl-Neelsen
Definition
acid-fast, mycobacteria (tuberculosus, leprae)
Term
Periodic acid-Schiff (PAS) stain
Definition
Whipple's dz (Tropheryma, whippelii)
Term
etoposide
Definition
Use - testicular CA*, small cell/non-small cell lung CA, gastric CA, Hodgkin's and non-Hodgkin's lymphoma, Kaposi sarcoma
MOA - inhib DNA repair enzyme topoisomerase II
SE - alopecia, myelosuppresion, little cardiac effects* or neuropathy
Term
carboplatin
Definition
platinum-alkylating agent
MOA - bind DNA prevent synthesis
Use - solid tumors
SE - nephrotoxic, neurotoxic, less hair loss*
Term
dermatomes
Definition
C2 - back of skull
T4 - nipple
T10 - umbilicus
L1 - inguinal
S2-4 - perineum
Term
priapism SE (prolonged painful erection)
Definition
trazodone - anti-depressant, anti-anxiety, anti-psychotic
Use - depression w/ insomnia*
MOA - inhib 5-HT2A (serotonin)-R in brain cortex
Term
MAOI's (phenelzine, tranycypromine, selegiline) KNOW THIS:
Definition
1) Serotonin syndrome - if used w/ serotonergic Rxs
2) hypertensive crisis - if take w/ tyrosine foods (cheese/wine)
Term
Bacterial genetic change
Definition
Transformation - "competent" bacteria takes DNA fr environment thru its membrane
Conjugation - direct contact
Transduction - occurs w/ help of virus
Term
filamentous, aerobic, partially acid fast, gram +
Definition
Nocardia asteroides
Tx - sulfa rx
Cause - pulm infection (HIV), cellulitis & absces in cutaneous/subcutaneous tissue, brain abscess
Term
Gardner, linear nodules/pustules, cigar-shaped yeast, cutaneous transmission
Definition
Sporothrix Schenckii
Rx - itraconazole, K iodide
Term
red lump in face w/ sinus tract draining w/ yellow granules following tooth extraction
Definition
Acitnomyces israelii - Gram +, filamentous
Tx - PCN
Term
x-linked recess, 46 XY, normal F external genitalia, normal breast, scant axillary & public hair, blind ending vagina, no uterus, +testis in inguinal canals or abd caivity, INC testot
Definition
androgen insensitivity syndrome - defective androgen-R
Term
nocturnal enuresis in kid
Definition
Tx - conditioning w/ bed pad & alarm
Term
Q angle ('quadriceps angle')
Definition
Q angle - long axis of femur to tibia
INC = genu valgum
DEC = genu varum
Term
L5-S1 herniation
Definition
DEC Achilles reflex, sensory lat malleolus, toes 4 & 5, ankle plantar flexion (S1 nn root)
Term
L3-4 herniation
Definition
DEC patellar reflex, sensory medial malleolus, ankle dorsiflexion (L4 nn root)
Term
L4-5 herniation
Definition
DEC sensory dorsum foot & toes 1-3, DEC big toe extension
Term
Dracunculus medinensis
Definition
tissue nematode, transmit by drinking water w/ fleas that ingested larvae, migrate thru subcut tissue --> emerge as ulcer in lower ext
Tx - Niridazole, worm extraction by twisting around stick
Prevention - water filtration
Term
stool softener (enema)
Definition
MOA - lubricate stool (stool penetrable by water/lipids)
Use - fecal impaction in rectum
Term
osmotic agents
Definition
Mg hydroxide, Mg citrate, polyethylene glycol
MOA - draw water into intestinal lumen
Use - acute/chronic constipation
Term
stimulants
Definition
Senna, bisacodyl
MOA - enhance colonic electrolyte secretion & stim peristalsis
Use - acute constipation, doesn't respond to osmotic/builking laxative
Term
bulking agents
Definition
Psyllium (fiber), bran
MOA - long-term tx of constipation/diarrhea
MOA - adsorption of water to fecal material
Term
Renal tubular acidosis = non-anion gap hyperchloremic met acidosis
Definition
Type I - defect in distal tubule to secrete H+, urine pH >5.5, nephrolithiasis (Sjogren's, SLE, autoimmune), Tx - NaHCO3
Type II - lack of HCO3 reabsorp at prox tubule, Tx - Na restriction (kids - Fanconi's, MM, carbonic anhydrase inhibitor use)
Type IV - hypoALD (DM, interstitial nephritis), only RTA w/ hyperK+ - Tx - IV Ca (antag cardiac toxicity), loop/thiazide diuretic +/- NaHCO3
Term
RTA algorithm - KNOW THIS:
Definition
1) determine RTA (hyperCl- acidosis, normal AG and GFR, no diarrhea = RTA)
2) check K+, higher than normal (3.5-4.5), auto RTA IV, if lower...
3) check urine pH, if lower than 5.5, auto RTA II, if higher...
4) check HCO3, if near normal = RTA I, if DEC = RTA II
Term
Chapman's
Definition
5th IC on R - liver
5th IC on L - stomach hyperacidity

6th IC on R - liver, gallbladder
6th IC on L - stomach peristalsis

7th IC on R - pancreas
Term
proteinuria >3.5, hypoalbuminemia, hyperlipidemia, gen edema (anasarca, HIV, IVDU, sickle cell
Definition
Focal segmental GN - MC nephrotic syndrome in that pt grp; have refractory HTN
Tx - prednisone, cyclophosphomide
Term
nephrotic syndrome in adults, assoc w/ HBV, HCV, malaria, gold salts, penicillamine, SLE, malig, Bx - granular deposits of IgG & C3 at BM, "spike and dome"
Definition
Membranous GN
Tx - prednisone, cyclophosphamide
Term
nephrotic syndrome in kids, causes - food allergies, meds, hematologic malig, fusion of epi foot processes
Definition
Minimal change dz
Tx - prednisone
Term
uncommon nephrotic syndrome, LOW C3, "tram-track" d/t capillary BM thickening by interposition of mesangial cells, assoc w/ autoimmune dz & hepatitis
Definition
membranoproliferative GN
Term
progressive dementia, personality changes, ataxia, seizure, MRI - intensity in putamen & caudate nuc
Definition
Creutzfeldt-Jakob dz (CJD) - spongiform encephalopathy, prions, die in 6 mon, sporadic or transmissible
Other less common:
Kuru - transmit by cannibalism
Gertsmann-Straussler-Scheinker - genetic
Fatal familial insomnia - genetic
Term
acute mania tx
Definition
1st line tx:
antipsychotic (olanzapine), mood stabilizer (lithium, carbamazepine), valproic acid; can add benzo
Term
lesion above facial nuc (CN VII pathway)
Definition
affect mm on opposite side of lower face
Term
mercaptopurine
Definition
purine antag
MOA - false metabolic, incorporate into DNA/RNA to inhib syn
Use - ALL & AML** (ALL assoc w/ Down's)
Term
palpable purpura, polyarthralgia, pain pain; gross/microscopic hematuria, proteinuria
Definition
HSP
Term
competitive antag at progesterone-R, used as abortifacient
Definition
Mifepristone (RU 486)
MOA - also stim cervical softening, dilation
SE - heavy vag bleeding, cramps
Note: proges needed in early pregnancy to maintain it
Term
prostaglandin-R agonist, abortifacient
Definition
Misoprostol - PGE1 analog, given days after Mifepristone to help expel contents
SE - abd pain, cramping, NVD
Term
osteoporosis dx test
Definition
DEXA scan
Term
glycogen phosphorylase defic, mm cramps, breakdown (defect in glycogen)
Definition
McArdle's dz - excess glyocgen in mm that can't break down --> painful mm cramps after exercise + myoglobinuria
Term
alpha-1,6 glucosidase defic, hypoglycemia, normal blood lactate levels, hepatomegaly
Definition
Cori's dz (type III glyocgen storage dz) - milder dz than Von Gierke's
Term
glucose-6-phosphatase defic, hypoglycemia, INC lactate
Definition
Vongierke's dz (type I GSD) - liver can't rel glucose during fast state (hence INC lactate)
Tx - INC CHO in diet
Term
alpha-1,4 glucosidase (acid maltase) defic, floppy, poor facial mm tone, delayed miletones, die at 8th month
Definition
Pompe's dz (Type II) - lysosomes can't degrade glycogen, affects legs, arms, diaphragm and heart
Note - "Pompe hurts the Pump (heart, liver, mm)"
Term
RET proto-oncogene defect
Definition
MEN IIA - medullary thyroid CA, pheochromocytoma, parathyroid hyperplasia (other - cutaneous lichen amyloidosis, Hirschspring dz)
Term
MEN I gene defect
Definition
MEN I - pancreas, parathyroid, pituitary
Term
MMR gene defect
Definition
hereditary nonpolyposis colon CA (Lynch syndrome) - auto dom, DNA mismatch repair defect; assoc w/ other CA esp endometrial CA**
Term
glucokinase gene defect
Definition
maturity- onset diabetes of the young (MODY_ - rare, non-obese DM b4 25 yo
Term
APC gene defect
Definition
Familial adenomatous polyposis (FA_
Term
INC EPO, high vascularity, clear foamy cells, cerebellar/spinal cord location, adults
Definition
Hemangioblastoma - hydrocephalus, ataxia, pain common
Can occur in kids (von Hippel Linday dz)
Term
brain: spoke-wheel arrangement of cells radiating around BV (perivasc pseudorosettes) and rod-shaped blepharoplasts
Definition
ependymoma - solid tumors fr ependymal cells in 4th ventrcle, kids, hydrocephalus
Term
brain: chicken wire BV and "fried egg" appearance w/ calcif
Definition
oligodendrogliomas - adult, frontal lobe, slow growing, long-standing seizure
Term
brain: eosinophilic corkscrew fibers, GFAP-positive w/ Rosenthal fibers
Definition
Pilocytic astrocytoma - cerebellum, INC ICP, focal lesions
Term
brain: concentric whorls, interlacing spindle cells, laminated calcif (psammoma bodies)
Definition
meningioma - benign, MC primary brain tumor, do not invade brain; seizures, focal lesion
Term
numbness tingling 5th & part 4th finger, hypothenar atrophy, weak grip, +Tinel sign (percuss nn = tingling)
Definition
Cubital tunnel syndrome - compression ulnar nn MC at medial elbow
Term
numbness 1st, 2nd, 3rd, half 4th finger
Definition
Carpal tunnel syndrome
Term
pain at distal radius, +Finkelstein test (flex thumnb clench hand & ulnar deviate)
Definition
De Quervain's tenosynovitis
Term
broad-based budding yeast
Definition
Blastomycosis - Mississippi & Ohio rivers, Central America
Term
Griseofulvin
Definition
MOA - bind fungal MT, inhib mitosis
Use - Tinea capitis - patchy hair loss, flaking scalp
Term
Itraconazole, fluconazole
Definition
Use - dermatophyte infxns that doesn't respond to griseofulvin
MOA - inhib ergosterol syn
Term
Terbinafine
Definition
Use - dermpatophyte (ie tinea capitis)
MOA - inhib squalene epoxidase
Term
Caspofungin
Definition
Use - systemic infxn by Candida or Aspergillus
MOA - inhib glucan syn of fungal cell wall
Term
Nystatin
Definition
Use - topical; Candida (oral swish), yeast infxns of skin/mucous membranes
MOA - bind ergosterol, INC membrane permeability so cytoplasm leaks
Term
Quelling rxn
Definition
bacterial capsule:
S pneumo, Neisseris, Klebsiella, H flu, Salmonella typhi, Crytococcus neoformans, Pseudomonas
Term
Rib ME
Definition
Rib 1 ant scalene
2 post scalene
3-5 pec minor
6-9 serratus anterior
Term
Postherpetic neuralgia tx
Definition
TOC - TCA like amitriptyline, topical capsaicin
Cause - Herpes zoster complication
Term
oozing blood fr IV line, catheter, or wound site, INC PT, PTT, bleeding time,. D dimer and fibrin split products
Definition
caused by DIC - schistocytes bc of microthrombi (exhaust platelets)
Term
lacks muramic acid, thus immune to beta-lactams
Definition
Chlamydia - Tx azithromycin (or doxycycline)
Term
medial epicondylitis
Definition
golfer's elbow - repetitive flexion, pronation of wrist: pronator teres, flexor carpi radialis
Term
lateral epicondylitis
Definition
tennis elbow - repetitive extend, supination wrist/forearm: extensor carpi ulnaris
Term
Vit B12 vs fol defic test
Definition
B12 defic - INC methylmalonic acid AND homocysteine
Fol defic - INC homocysteine ONLY
Term
spiking fevers, exposed to animals, drinks unpasteurized milk
Definition
Brucella - facultative-intracellular, Gram neg bacteria; normal smear
Term
Grame neg, "2 shaped" spirocete; flu-lie sx + abd pain + photophobia
Definition
Leptospirosis
Severe - Weil's dz (aseptic, icterohemorrhagic) - jaundice, azotemia, hemorrhages, anemia, Dx - spinal tap
Term
Eval of solitary thyroid nodule
Definition
Low TSH
Radioiodine scan:
1) hot - hyperfxning; rarely malig, follicular adenoma
2) warm - do FNA bx to r/o malig
3) cold - hypofxning; FNA bx to r/o malig; lymphoma (extranodal site), papiillary CA (psamomma bodies, orphan Annie nuclei-empty appearing), medullary CA (parafolic C cells, secrete calcitonin, nests of round cells stain for calcitonin)
Term
red lump on face w/ sinus tract draining yellow granules after tooth extraction
Definition
Actinomyces israelii - Gram +, filamentous; can cause abscess elsewhere esp face, abd thorax, brain
Tx - PCN
Term
Nocardia
Definition
Gram + filamentous, pulm infxn in immunocomp
Tx - sulfa rx
Term
Pseudomonas
Definition
aerobic gram neg rod, pneumonia, UTIs, osteomyeltis, otitis, sepsis
Tx - aminoglycoside, piperacillin
Term
TOC for acute gout
Definition
NSAIDs
Term
cranial rhythm
Definition
flexion SBS = sacrum counternutates (extend)
extension SBS = sacrum nutates (flex)
Term
Cysticercosis
Definition
Taenia solium (pork tapeworm) T saginata (beef tapeworm) - infect eyes, heart, lung
Sx - Tx - praziquantel
Neurocysticercosis - seizure, intracranial HTN, psych, Brain MRI: single/multiple cysts, "swiss cheese look
Tx '-bendazole'
Term
isolated thrombocytopenia after this Rx use
Definition
Heparin induced thrombocytopenia (HIT) - occurs after 2 wks of heparin use for DVT prophylaxis, anticoag, ACS/MI, PE
MOA - inactiv thrombin, prevent conversion of fibrinogen to fibrin
Term
eczema, immunodeficiency, thrombocytopenia (low platelets)
Definition
Wiskott-Aldrich syndrome
Term
Rx induced lupus
Definition
hydralazine, procainamide, quinidine, INH
Term
adenomatous polyps + osteomas, lipomas, fibromas, cysts, dental abnorm
Definition
Gardner's syndrome
Term
A1AT allele inherited pattern
Definition
autosomal codominance
Term
+ c-ANCA
Definition
targets proteinase-3, Wegener's
Term
+ p-ANCA
Definition
targets myeloperoxidase
Term
Chapman - 2nd IC space
Definition
myocardium (MI), thyroid, esophagus, bronchi
Term
Chapman - 7th IC space
Definition
L - spleen
R - pancreas
Term
Chapman - 6th IC space
Definition
L - stomach peristalsis
R - gallbladder
Term
hemolytic uremic syndrome (acute renal failure, thrombocytopenia, microangiopathic anemia) + fever + neuro sxs
Definition
TTP - normal PT and PTT, DEC platelets (thrombocytopenia), petechiae, epistaxis, active bleeding
Term
Amiodarone
Definition
Class III K channel blocker
Use - V fib, pulseless ventric tachycardia
MOA - rich in iodine, similar to T4, inhib 5'-deiodinase enzyme
SE - Hypo/hyperthyroidism, pulm fibrosis, blue skin
Term
CN III damage
Definition
ptosis, pupillary dilation, loss of accomodation, "down & out"
Term
SO4LR6AO3
Definition
sup oblique CN 4
lat rectus CN 6
all others CN 3
Term
fecal-oral (contaminated water*), infects GI mucosa, harms spinal ant horns --> mm weakness, flaccid paralysis
Definition
Polio virus - Sx start as fever, HA, nausea then progress to LMN lesion Sx (mm weakness, atrophy, flaccid paralysis), Prevention - vaccine
Term
Lyme dz initial tx
Definition
Doxycycline - can't take w/ antacids, Ca, Mg, alumnimum, Fe, avoid sun; also Tx Rocky Mtn spotted fever
Amoxcillin
or Macrolide
Term
HIV infxns based on CD4
Definition
<400 - derm (fungal, oral ulcers, shingles), start systemic infxns (wt loss, resp)

<200 - GI (cryptosporidium), lung (PCP), systemic coccidiomycosis

<100 - CNS toxoplasmosis, systemic histoplasmosis

<50 - Cryptococcus meningoencephalitis, CMV retinitis, HIV dementia, JC virus PML
Term
MC HIV infxn
Definition
opportunistic - PCP
fungus - Candida (then cryptococcus)
virus - CMV retinis (then HSV 1 & 2)
CNS - Toxoplasmosis (other - CMV retinitis, cryptococcus neoformans meningitis, JC virus PML, HIV viral encephalitis)
pneumonia - PCP
GI - cryptosporidium (watery diarrhea)
Term
HIV high yield parts
Definition
Nuc:
1) RNA strandls - 2 single, pos, linear
2) reverse transcriptase - intergrade into human DNA, code pol gene
3) p24 protein - capsid around RNA, code gag gene

Envelope:
4) pg41 - fusion/entry into host cell
5) gp120 - outermost protein of virus that attach to CD4 T cells
Note: number grows fr inside out
*Need CCR5 and CD4 proteins on macrophage to attach (homozug CCR5 mut immune to HIV)
Term
3 main malig assoc w/ HIV
Definition
1) Kaposi's sarcoma (HHV-8) - MC
2) HPV squamous cell cervical/rectal CA
3) EBV non-Hodgkin's lymphoma and Hairy leukoplakia
Term
firm breast mass, spiky outgrowths on mammogrpahy, MC breast CA
Definition
infiltrating ductal CA - most CA on outer quadrant of breast
Term
unresponsive HTN, hypoK+, hyperNa, met alkalosis, low renin
Definition
Primary hyperALD
Tx - spironolactone
Term
Chapman - lat/post margin IT band
Definition
prostate
Term
Chapman - ant IT band
Definition
colon
Term
Chapman - lesser trochanter
Definition
rectum
Term
Bug assoc w/ dog
Definition
rabies, Yersinia pestis (plague), Pasteurella multocida (cellulitis)
Term
Bug assoc w/ flea
Definition
Yersinia pestis (plague), Rickettsia typhi (endemic typhus)
Term
Bug assoc w/ pig
Definition
Tichinella spiralis (myositis), Taenia solium (GI tapeworm, cysticercosis, neurocysticercosis)
Term
Bug assoc w/ bird
Definition
Histoplasmosis (bird droppings), salmonella (eggs), Chlamydophila psittaci (bird reservoir), avian influeza
Term
Bug assoc w/ deer
Definition
Ixodes tick - Transmit Borrelia burgdorferi (Lyme dz - 1) rash, 2) Bell's palsy, AV block, 3) arthritis, neuro)
Term
Whipple dz
Definition
Sx - GI (abd distension, diarrhea), migratory polyarthritis, neuro, derm, fever
Dx - upper endo, Bx - PAS+ macrophages, Gram +, acid-fast bacilli
Tx - nutritional supp, abx (PCN or ceftriaxone x 2 wks, TMP-SMX x 2 yrs)
Term
CaSR gene mut, asymptomatic hyperCa, inappropriately normal PTH and low urine Ca
Definition
Familial hypocalciuric hypercalcemia (FHH)
Tx - none
Term
Pseudohypoparathyroidism
Definition
d/t blunted end-organ response to PTH
ex. Albrecht's hereditary osteodystrophy - facial, skeletal abnorm (short 4th/5th digit), low Ca, high phosphate, high PTH
Term
uterus bx - whorled bundles of smooth mm
Definition
uterine leimyoma (fibroids) - benign, pelvic pain, pressure, menorrhagia, estrogen senstive tumor, INC in size w/ estrogen (obesity), DEC in size w/ low estrogen (menopause* gets better)
Tx - 1st line - OCP
Term
Mucor and rhizopus spp - nonseptate, monomorphic, empty-looking, wide-angle fungi
Definition
DEC mental status, CNS involvement w/ facial cellulitis, eschars, hemorhagic exudates, DKA, neutropenia (leukemia/lymphoma)
Tx - amphotericin B
Term
Type II hypersensitivity examples
Definition
Goodpasture's, pernicious anemia, Grave's dz, bullous pemphigoid, pemphigus vulgaris, myasthenia gravis
Term
acute bacterial prostatitis
Definition
BPH, caused by E coli, Proteus
Tx - FQ (levofloxacin)
MOA - inhib bacterial DNA gyrase, well tolerated
SE - tendonitis, tendon rupture; adv age & concurrent corticosteroid INC this risk, occurs after 2+ wks of therapy
Term
X-linked recessive lysosomal storage dz
Definition
Fabry's - alpha-galactosidase A defic, accum ceramide trihexoside, neuropathy, angiokeratoma, CV/renal dz
Hunter's - iduronate sulfatase defic, accum heparan sulfate, dermatan sulfate; mild Hurler's, NO corneal clouding
Term
glucocerebrosidase defic
Definition
Gaucher dz - MC lysosomal storage dz, glucocerebrosidase defic, accum glucocerebroside in liver, spleen, bone marrow (HSM, pancytopenia), histo - macrophages: crumpled tissue paper
Term
galactocerebrosidase defic
Definition
Krabbe's dz - galactocerebrosidase defic, accum galactocerebroside, optic atrophy, peripheral neuropathy, gobloid cells, dev delay
Term
sphingomyelinase defic
Definition
Niemann-Pick dz - accum phingomyelin, cherry red macula, HSM, neurodegen, pulm infiltration, "foamy histiocytes"*, death by 3 yo
Term
hexosaminidase A defic
Definition
Tay-Sachs dz - accum GM2 gangliosides, dev delay (severe MR), cherry red macula, "onion skin" lysosomes, death by 4 yo
Term
Short PR interval, delta wave (slurred upstroke in QRS complex), wide QRS
Definition
Wolf-Parkinson syndrome - pre-excitation ventricles d/t accessory pathway (bundle of Kent), asymptomatic or nonspec sx (chest pain)
Term
synovitis, tenosynovitis, dermatitis
Definition
Gonococcal arthritis (MCC of septic arthritis), synovial fluid >50,000 WBC, >90% NT, Gram neg diplococci (Neisseria)
Term
spinal cord has 3 gray matter horns w/ 2nd-order neurons
Definition
post horn (pain/temp) - syringomyelia
intermediate/lateral horn (T1-L2, sympathetics)
Ant horn (w/ motor neurons) - AML, poliomyelitis, West Nile virus
Term
flagellated, non-lactose fermenting, bloody diarrhea, common in kids, elderly
Definition
Salmonella - H2S prod, oxidase-neg, raw poultry, uncooked eggs, unpasteurized milk,
Term
S typhi
Definition
Typhoid fever - fever, HA, diarrhea, rose spots
Tx - FQ, cephalosporin
Term
Seizure etiologies by age grp
Definition
Kids - tuberous sclerosis*, febrile, trauma, congenital, metabolic
Adults - tumors*, trauma, strokes, febrile, Rxs, alcohol withdrawal
Elderly - stroke*, tumor, trauma, metabolic syndromes, febrile, degen (Alzheimer's)
Term
high-pitched, blowing early diastolic murmur at L sternal border or 2nd IC space on R, PMI displaced lateral, wide pulse pressure (ex 140/65 mmHg)
Definition
aortic regurg
Cause - 2nd to rheumatic heart dz (MC), syphillis infxn, Marfan, infective endocarditis, idiopathic
Term
Weber: localizes to affected ear (hear better)
Rinne: bone > air conduction
Definition
Conductive hearing loss
Weber test - middle head
Rinne - mastoid to outside ear canal (should still be heard bc air conducts better than bone)
Term
Weber: localized to normal ear (which has normal CN VIII)
Rinne: normal (both air & bone conduction reduced)
Definition
Sensorineural hearing loss
Term
Behcet's syndrome - recurrent oral/genital ulcers, arthritis (knees, ankles), eye/CNS involvement (uteitis, retinitis, conjunctivitis)
Definition
Tx - corticosteroids
Term
PAINFUL, diffusely enlarged thyroid gland & hyperthyroidism (INC T4, DEC TSH, no physical signs), recent viral infxn
Definition
subacute granulomatous thyroiditis (de Quervain's thyroiditis) - inflamm process occurs after viral infxn
Term
painLESS diffusely enlarged goiter, S/S of hyperthyroidism
Definition
subacute lymphocytic thyroiditis
Term
thyroid nodule - calcified psammoma bodies, Orphan Annie nucleus
Definition
Papillary thyroid CA - MC
Term
thyroid nodule - INC elev calcitonin
Definition
Medullary thyroid CA - orig fr parafollicular cells (C cells) --> prod calcitonin
Term
kidney stones
Definition
Ca oxalate - MC, radiopaque, acidic urine pH
uric acid - radioLUCENT
struvite - less common, Proteus, radiopaque
Cysteine - rare, radiopaque, hexagonal, hard to see on xray
Ca phosphate - not as common as Ca oxalate, radiopaque, alkalinic urine pH
Term
diabetic - bony overgrowth of joint, jt deformity, swelling, crepitus, sensory neuropathy
Definition
Neuroathic arthropathy (Charcot's jt) - non-inflamm jt dz cauzed by loss of deep sensation & proprioception d/t underlying neuropathy
Term
renal - duplication of BM into 2 laers
Definition
membranoproliferative GN (MPGN) - tram tracks, silver or PAS stain
Term
renal - diffuse capillary & BM thickening
Definition
membranonus glomerulonephropathy - MC nephrotic syndrome in adults, immune complex deposit on subepi side of BM
Term
renal- segmental sclerosis and focal hyalinosis
Definition
Focal segmental GN (FSGS) - assoc w/ HIV, heroin abuse, sickle cell
Term
renal - nodular mesangial lesion (aka Kimmelstiel-Wilson nodules* pathognomotic)
Definition
diabetic nephropathy - starts w/ thickening of GBM & loss of neg charged barrier --> progresses to mesnagial matrix expansion then sclerosis
Term
renal - no signif pathology on light microscopy, except foot process effacement
Definition
Minimal change dz (MCD) - MC nephrotic syndrome in kids
Tx - corticosteroids
Term
Blood types and gastric ulcers
Definition
Gastric ulcers - MC in Type A
Duodenal ulcers - MC in Type O
Term
conjunctivitis, cough, coryza; Koplik spots (grey spots on buccal mucosa)*
Definition
Rubeola = measles = Paramyxovirus*
within 1 wk of Sxs, get maculopapular rash starts on face and spreads down
Term
kid - suboccipital & postauricular LAD, maculopapular rash starts on face spreads down, arthralgia ("bone pain")
Definition
Rubella = German measles = Togavirus
Term
kid - fever 2-5 days, followed by maculopapular rash starts on trunk spreads to neck/extremities
Definition
HHV-6 = Roseola infantum = Exanthem subitum = 6th dz
Tx - Self- limiting
Term
Risk factors for Crohn's and UC
Definition
smoking (except in UC, this DEC UC risk), famHx, 15-35 yo, white skin
Term
Crohn's complications
Definition
kidney stones (d/t fat malabsorp - fat binds to Ca leaving oxalate free to make kidney stones), gallstones (fr depletion of bile salt secondary to terminal ileal dz INC cholesterol gallstones), anal fissures, fistulas, abscesses, SBO, colon CA (less common than UC)
Term
gastric adenocarcinoma risk factors
Sx - hematemesis, epigastric pain, bloating
Definition
Asians, ingestion of smoked food, nitrosamines, H pylori infxn, gastric ulcers, smoking, high salt intake*, type A blood, pernicious anemia, low fiber diet
Term
gastric - signet ring cells (filled w/ mucin which forces nucleus to side of cell)
Definition
gastric adenocarcinoma (diffuse type)
Term
gastric - atrophied parietal cells
Definition
Menetriere's dz - achlorhydria
Term
mucus & goblet cells in columnar epithelium
Definition
Barrett's esophagus
Term
hypoNa, lower serum osmolality, low urine level
Definition
SIADH - excess ADH in euvolenmic state, DEC BUN & uric acid
Term
torsion patterns
Definition
2 parallel vertical axes (sphenoid/occiput move same direction) = lateral strain
1 AP axix (sphenoid/occiput move same direction), 2 parallel vertical axes (sphenoid/occiput move opposite) = Side bending-rotation
1 AP axis (sphenoid/occiput move opp) = Torsion
2 parallel transverse axis (sphenoid/occip move same) = Vertical strain
Term
Determine if metabolic acidosis is compensated for using Winter's formula
Definition
Winter's:
Expected pCO2 = 1.5 (HCO3) + 8 (+/- 2)
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