Shared Flashcard Set

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Elective Objectives
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110
Medical
Graduate
11/29/2012

Additional Medical Flashcards

 


 

Cards

Term
Hemispherical spinal column-penetrating injury or unilateral lesion with:
1. ipsilateral motor and proprioception (position and vibration) loss and
2. Contralateral pain and temperature loss
Definition
Brown Sequard syndrome
Term
Risk factors, sx (acute and chronic), labs, tx, and prognosis for arterial insufficiency
Definition

Risk factors: smoking, HTN, high cholesterol, obesity, DM, >70 y/o, >50 y/o and smoker, family hx

 

Sx:

1. acute: due to embolus or thrombus - sudden onset extremity pain, loss or decreased pulses, neuro dysfunction, pallor on elevation, coolness, mottling

2. Gradual: due to atherosclerosis: pain w/ exercise, pain on and off with activity, pain at rest, skin ulcerations, blue toes, gangrene

 

Workup: pulses, ABI, doppler, angiography

 

Tx: heparin, Statin

- surgery: tpa, emoblectomy, angioplasty, stent, bypass with graft

 

Prognosis: acute occlusions have 10-25% risk of amputaiton

Term
Venous insufficiency - causes, sx, ddx, workup, tx, prognosis
Definition

Causes: Leg trauma, deep vein phlebitis, obesity, post-thrombotic syndrome

 

Sx: PROGRESSIVE PITTING EDEMA is first sx, shiny/thin/brown kskin at ankle (hemosiderin), itching, dull discomfort with standing or walking, ulcerations meaial and just anterior to ankle, varicose veins, cellulitis

 

DDX:

1. CHF, Liver dz, kidney dz --> all have chronic edema

2. Lymphedema --> typically unilateral and no varicosities

3. Lipedema --> stops at ankle

4. Arterial insufficiency

 

Workup: US

 

Tx:

1. acute: heparin, tPA

2. Chronic: stockings, avoid long period of standing and sitting, surgery

Term
Pressure ulcers: Majority develop in what setting?, Risk factors, stages, workup, tx
Definition

Majority develop in hospital stay for acute illness

 

Risk factors: immobility, moisture (incontinence), decreased sensation, poor nutrtion, shear force, friction

 

6 stages:

1. Blanchable hyperemia

2. extends through epidermis

3. full thickness skin

4. extension into muscle, bone, supporting structures

5. unstagable: eschar tissue

6. suspected deep tissue injury in area of discolored/blistered skin

 

workup: braden or norton scale for pt environment

Bx if poorly healing

 

Tx: repositioning, special mattress, good nutrition, remove necrotic debris, keep moist, dressings

 

 

Term
Causes/risk factors for DVT
Definition

Pacemaker catheter

Bedrest

Fm hx

Leg/pelvic fx

6 mos Post Partum

obesity

recent surgery, esp ortho

polycythemia

cancer

autoimmune dz

smoking

OCP or estrogen therapy

prolonged sitting

Term
DVT: Sx, workup, tx
Definition

Sx: changes in leg skin color, warm skin, edema

 

workup:

1. For dx: d-dimer, doppler

2. For workup: CRP, antithrombin III, APA, CBC, gene mutations, Protein C and S levels

 

Tx: heparin the coumain, pressure stokcings, surgery

 

Term
3 sources of infection in osteomyelitis
Definition

1. Bacterial infection disseminated in blood

2. invasion from contiguous focus of infection (most common is joint replacement)

3. Skin breakdown from vascular insufficiency

Term
OSteomyelitis Sx, workup, tx
Definition

Sx: fever, chills, pain/tenderness

- NO fever in local or vascular insufficiency

- No pain in vascular insufficiency

 

Workup:

1. nuclear bone scan is most sensitive

2. xray: neg for first two weeks, then soft tissue swelling, loss of soft tissue planes, bone demineralization

3. MRI/CT

Term
Causes of pre, intrinsic, and post renal failure
Definition

Prerenal: decrease in intravascular volume, change in PVR, low cardiac output

 

Intrinsic: occurs after pre or post failure due to injury to tubules, interstitium, vasculature, and glomeruli

 

Postrenal: urinary outflow obstruction

Term
Nephrotic syndrome sx & workup
Definition

Sx: proteinuria >3 g/day, hypoalbuminemia, edema (3rd spacing), hyperlipidemia, lipiduria, prone to hypercoagulability

 

workup: serum albumin, CBC, BUN/Cr, ANA, cryoglobulins, hepatitis, ANCA, Anti-GBM antibodies, ASO titers, UA, renal bx

Term
#1 cause of nephrotic syndrome in kids.
unknown cause
treatment?
Definition

minimal change disease

 

tx: STEROIDS, ACE/ARB

Term
secondary causes of nephrotic syndrome
Definition

DM - MOST COMMON

lupus nephritis

paraproteinemias (multiple myeloma, amyloid)

HIV

Hep B

preeclampsia

 

tx: ACE/ARB, low protein, salt, diuretics

Term
Pyelo:
1. most common organisms
2. sx
3. tx
Definition

gram neg most common - e. coli, klebsiella, proteus, enterobacter, pseudomonas

 

sx: irritative voiding (urgency, freq, dysuria) + fever + flank pain

 

tx: outpt - quinolones (cipro) or macrobid

inpt - IV ampicillin or aminoglycoside

Term
hematuria, dysmorphic red cells, red cell casts, mild protienuria, dependent edema (periorbital, scrotal), HTN, high Creatinine

cause: typically autoimmune, strep, Goodpasture's, hepatitis

tx?
Definition

glomerulonephritis

 

tx: high dose corticosteroids, cytotoxic agents (cyclophosphamide) and treat underlying cause

Term
Cause of 85% of intrinsic kidney injury
2 main causes: ischemia (hypotension, hypoxemia, volume depletion, shock, sepsis) and nephrotoxin exposure (aminoglycosides, amphotericin, vancomycin, acyclovir, cephalosporins, rhabdomyolysis, contrast media, heavy metals, hyperuricemia, bence jones proteins)

sx: n/v, AMS, HTN, azotemia, encephalopathy, pericardial effusion, arrhythmias

Labs: hyperkalemia, hyperphosphatemia, BUN:Cr <20:1, "muddy brown" casts on UA

Tx?
Definition

ATN

 

 

tx: loop diuretics, dietary protein restriction, may need dialysis

Term
Fever, transient maculopapular rash, acute or chronic kidney injury, pyuria, WBC casts, hematuria, arthralgias, eosinophilia

70% cuase is drugs

tx?
Definition

Interstitial nephritis

 

tx: urgent dialysis, remove inciting agent, short course corticosteroids (methylprednisone or prednisone)

Term
vomiting and diarrhea (sometimes bloody), fever, irritability, lethargy, seizures + acute renal failure with anuria and microangiopathic hemolytic anemia and thrombocytopenia

Occurs after GI infx with e. coli in kids

renal bx: occlusive lesions of the arterioles and small artries and consequent tissue microinfarctions

treatment
Definition

Hemolytic uremic syndrome

 

treatment: supportive care, fluid and electrolytes, BP control, phenytoin for seizures, azotemia, optimal nutrition, may need renal transplant

 

mainstay: corticosteroids, blood transfusion, dialysis

Term
Disease caused by changes in the tau protein, causing microtubule collapse in neurons, which causes neurofibrillary tangles. These tangles disrupt neuronal transmission.

Another characteristic: amyloid plaques

Sx?
Workup?
tx?
Definition

Alzheimer's

 

sx: loss of executive functioning (planning, organizing, sequencing), difficulty learning new things, memory impairment, aphasia, agnosia, significant social/occupation impairment -> gradual and continuous

 

Workup: MMSE

- R/o other causes: PET scan, eEG, CSF studies, labs

 

tx:

1. acetylcholinesterase inhibitors: aricept, exelon

2. reduce oxidative stress (n-acetylcysteine)

3. NMDA receptor stabilizer (Namenda)

4. Anticonvulsants: Keppra

 

 

Term
Dementia:
1. strongest risk factor
2. Most common cause
3. Sx
4. Tx
5. always r/o?
Definition

strongest risk factor: age

most common cause: alzheimer's (50-75%)

Sx: memory loss, loss of cognitive ability, behavior disturbances

 

tx underlying cause, ACHe inhibitors, antidepressants, antipsychotics

 

always r/o drugs and metabolic d/o

Term
Dementia caused by HTN, A-fib, DM, CAD, CVD, JC virus - usually sudden onset that spares the memory
Definition
vascular (AKA multi-infarct) dementia
Term
Dementia that causes visual hallucinations, REM sleep disorder, delirium WITH rigidity, bradykinesia, tremor -- due to posterior parietal atrophy
Definition
Lewy Body Dementia
Term
autosomal dominant dementia, usually seen in pts <65 with changes in judgement, mood, speech, behavior
Definition
frontotemporal dementia
Term
degeneration of dopaminergic nigrostriatal system leading to imbalance of dopamine and Ach in the corpus striatum

3 cardinal signs: rest tremor, rigidity/cogwheeling, bradykinesia

Appearance: camptocormia (loss of extensor tone), stooped posture, flexion of arms, en-block turning, festination (shuffling feet), seb derm

Autonomic sx: orthostasis, urinary urgency, constipation

Non-motor: depression, anxiety, cognitive impairment, anosmia, sleep disturbance

Tx?
Definition

Parkinson's

 

Tx:

1. Sinemet (Levodopa/carbidopa)

2. Dopamine agonists: prmipexole, ropinirole

3. Others: MAO-B, TCAs, COMT, amantidine, anticholinergics, surgery

Term
A rhythmic purposeless shaking of the muscles that begins with purposeful (voluntary) movement. This tremor does not affect muscles that are resting. The tremor actually gets worse when the pt. gets close to the object that they want to touch.
Definition
intention tremor
Term
• Symptoms:
o Apprehension
o Worry
o Irritability
o Difficulty in concentration
o Insomnia
o somatic complaints (tachycardia, HTN, increased acidity, nausea, epigastric pain, HA near-syncope
Definition

Anxiety

 

tx: benzos (for acute)

antidepressants (long-term)

Term
· S/S: unpredictable mood swings from mania to depression
· Men and women affected at same rate. Men more likely to have more manic episodes, women more likely to have more depressive episodes.
o Mania: increased psychomotor activity, excessive social extroversion, decreased need for sleep, impulsivity and impairment in judgment, grandiose, irritable mood. Some may have delusions and paranoia indistinguishable from schizophrenia.
· Cyclothymic disorder: milder form of bipolar disorder
Definition

Bipolar

 

tx: lithium is mainstay

valproic acid good for manic phase

olanzapine/carbamazepine/oxcarbazepine - good for manic

lamotrigene - good for depressive

Term
A group of severe, disabling psych disorders marked by withdrawal from reality, illogical thinking, delusions, and hallucinations
- have trouble distinguishing reality from fantasy

5 subtypes:
1. distinguished by marked psychomotor disturbance of either excitement or rigidity with mutism. may be rapid alteration between excitement and stupor
2. marked persecutory or grandiose delusions, often consonant with hallucintaions or similar content with less marked disorganization of speech and behavior
3. marked incoherence and incongruous or silly affect
4. includes persons who have clearly had an episode warranting dx without current sx
5. sx are not specific enough to fit other subtypes

sx begin in late teens, early 20's - usually present for 12-24 mos before pt presents to dr

sx: clang associations (words that rhyme), echolalia, flight of ideas, word salads, neologisms (pt makes up own words)
- positive sx: hallucinations and delusions
- negative sx: deficits of normal functions

tx?
Definition

schizophrenia

 

1. catatonic

2. paranoid

3. disorganized

4. residual

5. undifferentiated

 

tx:

1. B52 (haldol, ativan)

2. Respirdal

3. clozapine

Term
pervasive pattern of detachment from social relationships and a restricted range of expression of emotions in interpersonal settings as indicated by 4 or more:
- does not desire or enjoy close relationships
- almost always chooses solitary activities
- has little interest in sex
- takes pleasure in few if any activities
- lack close friends
- appears indifferent to praise or criticism
- shows emotional coldness, detachement, flattened affect
- does not occur during course of schizophrenia
Definition
schizoid
Term
Pervasive pattern of social and interpersonal deficits marked by acute discomfort with and reduced capacity from closer relationships as well as cognitive or perceptual distortions and eccentricities of behavior as indicated by 5 or more:
- ideas of reference
- odd belief or magical thinking that influences behavior
- unusual perceptual experiences - "odd and eccentric"
- odd thining and speech
- suspiciousness or paranoia
- inappropriate or restricted affect
- lack of close friends
- excessive social anxiety that does not diminish wiht familiarity
Definition
schizotypal
Term
similar to schizophrenic disorders except that the duration of prodromal, acute, and residual sx >1 week but <6 mos
Definition
schizophreniform
Term
pts with schizophrenia sx who do not fit in any of the schizophrenic or affective categories
Definition
schizoaffective d/o
Term
Stimulant (amphetamine) that is used as short-term treatment of depression. This can cause tachycardia, sweating, HTN, mydriasis, hyperactivity, and acute brain syndrome with confusion and disorientation. Tolerance develops quickly and as the dose is increased can lead to hypervigilance, paranoid ideation, stereotypy, bruxism, tactile hallucinations, and full-blown psychosis.
Definition
methylphenidate (ritalin)
Term
TCA used to treat depression, chronic pain, and HA

CI: MI, abrupt withdrawal, hypersensitivity, <25 y/o, old, cardio dz, GI dz, urinary retention, BPH, seizure, thyroid d/o, DM, bipolar, alcohol abuse

SE: drowsy, dizzy, cosntipation, tachy, palpitations, increased appetite lots of other crap


black box warning?
Definition

imipramine

 

black box: suicidality

Term
TCA used for depression, neuropathic pain, DM, HA, post-herpetic neuralgia

CI: MI, abrupt withdrawal, hypersensitivity, <25 y/o, old, cardio dz, GI dz, urinary retention, BPH, seizure, thyroid d/o, DM, bipolar, alcohol abuse

SE: drowsy, dizzy, cosntipation, tachy, palpitations, increased appetite lots of other crap


black box warning?
Definition

amitryptilline (elavil)

 

black box: suicidality

Term
• SSRI
• Contraindications:
o There are no contraindications to this but there are a lot of “use with caution”… Caution if elder, pregnant, hepatic impairment, volume depletion, hyponatremic, suicide history, alcohol use.
• Black Box: suicidality
• Used to Treat: Major Depressive Disorder, OCD, Bulimia, and Panic Disorder
• Side Effects:
o Nausea
o HA
o Insomnia
o Nervousness
o Anxiety
o Diarrhea
o Anorexia
o Tremor
o Ejaculatory dysfunction
o Flu syndrome
o Priapism
o Seizures
o Mania
Definition
fluoxetine (prozac)
Term
Antipsychotic

Contraindications:
o Hypersensitivity
o Parkinson’s
o Coma
o CNS Depression
o Avoid Abrupt withdrawal
o Caution if electrolyte abnormalities, hepatic impairment, hypothryroidism, dementia, leukopenia, dementia, QT prolongation.

Used to Treat: Psychosis, Tourette Syndrome, Acute agitation.

Side Effects: Extrapyramidal sx, tardive dyskinesia, insomnia, anxiety, drowsiness, lethargy, weight changes, anticholinergic effects, gynecomastia, breast tenderness, galactorrhea, heat stroke, dystonia, hyperpyrexia, HTN, QT prolongation.
Definition
Haldol (haloperidol)
Term
Lithium during pregnancy
Definition
Ebstein's anomaly
Term
2nd gen antipsychotic

used to treat: resistant schizophrenia

black box warnings: agranulocytosis, seizures, myocarditis, cardiovascular/respiratory effects, dementia-related psychosis
Definition
clozapine
Term
benzo used to treat anxiety, alcohol withdrawal, seizures
Definition
diazepam (valium)
Term
Used as 3rd line treatment of depression. These may cause symptoms of orthostatic hypotension, tachycardia, sweating, and tremors. Insomnia, nausea, and sexual dysfunction can also occur. Most common used…
1.Phenelzine (Nardil)
2.Tranycypromine (Parnate)
3.Selegiline transdermal (Emsam)
Definition
MAO-I's
Term
antipsychotic that blocks some serotonin and dopamine receptors

used to treat most resistant forms of psychosis
fewer extrapyramidal side effects than other typical antipsychotics

SE: hyperprolactinemia
Definition
Resperidone
Term
MOAI used to treat depression and bulimia

black box: suicidality
Definition
phenelzine
Term
paroxetine (paxil)
Definition
SSRI
Term
buspirone (buspar)
Definition
non-benzo anxiolytic
Term
Buproprion (welbutrin)
Definition
SNRI used to treat major depression, SAD, smoking, ADHD
Term
narcotic antagonist used to treat narcotic overdose
Definition
narcan (naloxone)
Term
phenothiazine
Definition
typical neuroleptic - lots of autonomic SE and markedly lower arousal levles
Term
small red, conical, hard nodules that occassionally ulcerate in sun-exposed areas

may arise de novo or from AK

tx?
Definition

squamous cell carcinoma

 

tx: excision with mohs - follow up q 3 mos initially - examine lymph nodes and mucus membranes

Term
pearly papule or erythematous patch >6 mm with telangiectasias often with central scab or erosion. may have stipled pigment. in sun-exposed area.

tx?
Definition

basal cell

tx: shave/punch bx

Term
Melanoma:
1. most important prognostic factor
2. most important sx to distinguish it
3. other sx
4. tx
Definition
1. most important prognostic factor: tumor thickness
2. most important sx to distinguish it: evolution
3. other sx: color variation, ABCDE, ugly duckling sign
4. tx: excision with wide margins, sentinel node bx, may need chemo
Term
0.2-0.6 mm papules - "flesh colored and sandpapery" - considered pre-malignant

tx?
Definition

actinic keratosis

 

tx: liquid nitrogen, fluorouracil ceram (5FU), imiquimod cream

Term
sudden, severe eye pain and blurred vision with halos around lights, nausea, abd pain, red/steamy cornea, dilated/non-reactive pupil

IOP >50 mmHg

tx?
Definition

acute angle-closure glaucoma

 

tx:

1. acute: IV aceetazolamide

2. reverse angle closure with topical pilocarpine then iridotomy/iredectomy

Term
General: gradually progressive cupping of optic disc. 2 types:
a.Chronic angle-closure glaucoma: flow of aqueous humor into anterior chamber is obstructed
b.Chronic open-angle glaucoma: increased IOP due to decreased drainage of aqueous humor through trabecular meshwork – usually bilateral

Sx: initially none. Then insidious BL loss of vision – first peripheral, results in tunnel vision. Preserved acuity

Dx: requires 2 of 3 parameters?

Prevention: Everyone >40 should have IOP measured and optic disc examined q2-5 years

Tx?
Definition

Chronic glaucoma

Dx: requires 2 of 3 parameters:
a.Optic disc cupping: increased cup to disc ratio
b.Visual field loss
c.IOP >21 mmHg (ocular HTN)

 

Tx: prostaglandin analogs – Lantaprost, bimatoprost, travaprost
Topical B-adrenergic blockers – timolol
Topical alpha agonists – for pts w/ asthma who can’t have BB
Definitive: laser trabeculoplasty

 

Prognosis: blindness in ~20 years if untreated

Term
curtain of black spreading across visual field. sudden onset in one eye. may see flashes and floaters first.

ophthalmoscopy: retina hanging in vitreous or irregular retinal alelvation - "dome shaped retina"
Definition
retinal detachment
Term
leading cause of permanent blindness in older population

sx: central vision loss, distorted images, no pain or redness

precursor?
2 types?
tx?
Definition

macular degeneration

 

precursor: macular drusen (yellow spots on macula)

 

2 types: atrophic, exudative (new vessel growth)

 

tx:

- exudative: laser coagulation or VEGF inhibitors

- atrophic: vision aids

Term
sudden profound monocular visual loss with acuity limited to counting fingers or less. field preserved in temporal area

ophthalmoscopy: pallid swelling of retina with cherry red spot on fovea or box car segmentation of retinal artery

tx?
Definition

retinal artery occlusion

 

tx: lay pt flat, ocular message, inhaled O2, IV acetazolaminde, anterior chamber paracentesis

Term
Age related hearing loss. Gradual, over time. Usually due to loss of hair cells from smoking and repeated exposure to loud noise. Dx via Lindsay Pape. Tx is hearing aids.
Definition
Presbyacusis
Term
80% of strokes are ____
risk factors?
tx?
Definition

ischemic

 

risk factors: DM, HTN, vascular dz, atherosclerosis, smoking, AIDS, hyperlipidemia, drugs/alcohol, fm hx, high homocysteine, previous stroke, afib

 

tx: rTPA, supportive, anticoagulation, statin

Term
contraindications for thrombolysis
Definition

>3 hr since sx onset

recent hemorrhage

current abx

art stick at non-compressible site

>185/110

Term
treatment for hemorrhagic stroke
Definition
supportive (ventilation), ICP monitoring, decompression, nutrition, seizure prophylaxis
Term
Definition: Transient myocardial ischemia… Chest pain (or any other symptom of MI) that is induced by exertion and relieved by rest or nitro.
· When angina occurs with angiographically normal coronary arteries and without other identifiable causes, it is labeled Syndrome X.
Pathophys/etiology:
· Most commonly caused by a reduction in oxygen supply and/or by an increase in myocardial oxygen demand superimposed on an atherosclerotic coronary plaque.
Signs and Sx:
·Usually precipitated by activity (often reproducible) or stress/anger & **relieved quickly with rest or sublingual NTG
·Symptoms are usually not described as PAIN, but instead as pressure, tightness, squeezing, burning, choking, aching.
·Sharp, fleeting CP is rarely due to ischemia
·Typically located over or just left of sternum; may radiate, usually to left shoulder and arm and **goes away when they stop the activity
·Sxs of short duration, <15-20 min (usually less), if longer worry about MI
·PE often normal but may reveal evidence of atherosclerotic disease elsewhere, e.g.
oAbdominal or inguinal bruits
oCarotid bruits
oDiminished pulses in the LE
oXanthelasmas
Definition

stable angina

 

tx: nitro, BB, CCB, aspirin, plavix

Term
as angina pectoris or equivalent ischemic discomfort with at least one of 3 features.
i.Rest Angina – prolonged angina occurring at rest (or with minimal exertion), usually lasting > 10 minutes *worrisome*
ii.New-onset (within the piror 4-6 weeks according to Harrison’s) angina that causes marked limitations of ordinary physical activity (e.g. angina after walking 1-2 blocks or climbing 1 flight of stairs) and/or-
iii.Increasing angina – i.e. increasing in severity, frequency, duration, or lower threshold of precipitation
Definition

unstable angina

 

Term
unstable angina wiht elevated cardiac biomarkers but wihtout ST elevation

tx?
Definition

NSTEMI

 

tx: CABG, PCI, stents, MONABAH

Term
Cardiac enzymes:
1. rises 4-6 hrs after injury, peaks at 24 hrs, remains elevated 36-48 hrs
2. rises 4-8 hrs after injury, may remain elevated for up to 2 weeks
3. rises within first couple hours of injury but is not cardiac-specific
Definition

1. CKMB

2. Troponins

3. myoglobin

Term
Westermark’s sign – focal oligemia (loss of blood flow)

Hampton’s hump – a peripheral wedge-shaped density above the diaphragm.

Palla’s sign – enlarged right descending pulmonary artery.
Definition
Clinical signs for PE
Term
PE: gold standard for dx, tx
Definition

dx: CT w/ contrast

 

tx: parenteral antcoagulation for 5 days until 2 sequential normal INRs

Term
sx: constipation/obstipation, colicky pain, lumbar radiation of pain, n/v, abd distention/tenderness

PE: abd distention/tympany, visual peristalsis, high pitched metallic tinkles, rushes and gurgles, localized tenderness, palpable mass, peritonitis

causes?
Imaging?
tx?
Definition

large bowel obstruction

 

causes: cancer, diverticulitis

 

imaging: ct w/ water soluble rectal contrast

 

tx: surgery

Term
Sx: vomiting, sometime feculent, abd pain/distention, constipation/obstipation, peristaltic rushes,

xray: dilated small bowel in "ladder" pattern
CT: "transition point"

PE: +/- fever, abd distention, tenderness

most common causes?
tx?
Definition

small bowel obstruction

 

causes: adhesions #1, neoplasms, hernia

 

tx: treat expectantly as long as continued passage of stool and flatus

surgery if complete or incomplete but persists for several days - first do NG tube, fluid/electrolyte resuscitation, abx

Term
DM2 drugs:

1. stimulate insulin release from beta cells. glyburide (glipizide), glimepiride (amaryl)
2. acts on liver to reduce hepatic gluconeogenesis by activating AMPK
3. sensitizes peripheral tissues to insulin by binding to PPAR-gamma receptor to regulate release of adipokines. Ex; rosiglitazone, pioglitazone
4. inhibit the enzyme that digests starch and sucrose
5. GLP-1 agonists (exenatide, byetta) and DPP-4 inhibitors (sitagliptin, januvia)
Definition

1. sulfonylureas

2. metformin

3. thiazolidinediones

4. alpha-glucosidase inhibitors

5. incretins

Term
Leading cuase of death in pts with DM2
Definition
MI
Term
•Sweating and heat intolerance
•Loosening of nail beds, hyperpigmentation, thinning of hair
•Eyes – lid lag and stare, proptosis with Graves’ opthalmopathy
•Tachy, palpitations, widened pulse pressure, afibb and CHF
•GI – vomiting


tx?
Definition

hyperthyroidism

 

Tx: BB, radioiodine ablation, thyroidectomy

- Thionamides (propylthiouracil)

Term
Defined as state of thyroid hormone excess and is not synonymous with hyperthyroidism, which is the resulf of excessive thyroid function. But the major etiologies are hyperthyroidism caused by Graves’ disease, toxic MNG, and toxic adenomas

• Hyperactivity, irritability, dysphoria
• Heat intolerance and sweating
• Palpitations
• Fatigue and weakness
• Diarrhea
• Polyuria
• Oligomenorrhea, loss of libido
Definition
thyrotoxicosis
Term
Hyperthyroid sx with positive TPO or TSH-R antibodies + low TSH and high T4
Definition
Graves
Term
•Weight gain, lethargy, fatigue, depression, weakness, dyspnea on exertion, arthralgias or myalgias
•Muscle cramps, menorrhagia, constipation, dry skin, headache, paresthesias

High TSH, low T3/4
Definition
Term
1.Definition: an opiate synthesized from morphine
2.Effects: euphoria, dry mouth, flushing, clouded mentation, alternating drowsiness and wakefulness, respiratory depression
3.Withdrawal: restlessness, muscle/bone pain, insomnia, diarrhea, vomiting, cold flashes with goosebumps (“cold turkey”) and involuntary kicking movements (“kicking the habit”), can be fatal – peak w/in 48-72 hrs of last dose and subside after about a week
4.Treatment?
Definition

Heroine

 

overdose: naloxone

Detox: clonidine, buprenorphine

Maintanence: methadone, buprenorphine, naltrexone

Term
1.Effects: brief stimulation, mood enhancement, increased HR, BP, temp, fever, HTN
2.Chronic: paranoid idealation, visual/auditory hallucination, decreased libido
3.Withdrawal: “crash” after high, craving irritability, depression – very intense
4.Overdose: diazepam for seizures, propanolol for arrhythmias
Definition
cocaine
Term
1.Definition: condition in which a person has blindness, paralysis, or other neuro sx that cannot be explained medically. Sx are real, pts are not malingering. Formerly known as “hysteria”. Coping mechanisms are repression and isolation.
2.Sx usually begin after stressful experience. Usually sx begins suddenly and psychological condition that brought it on gets better. Usually lack of concern over the sx.
Definition
Conversion disorder
Term
Depression disorders:
1. usually in response to an identifiable stressor, associated with anger and guilt, occurs within 3 mos of stressor and causes significant impairment in social or occupational function
2. at least one episode of serious depression. May be a physiologic or metabolic aberration. Anhedonia, withdrawal, guilt, inability to concentrate, guilt, anxiety, cognitive dysfunction, fatigue, worthlessness, decreased sexual drive, thoughts of death.
3. chronic depression for at least 2 years – milder
4. cycles of depression, mania, hypomania, and mixed-mood states
a.Mania: elation, hyperactivity, over involvement, irritability, flight of ideas, distractibility, little need for sleep
b.Cyclothymic disorder: chronic episodes of hypomania and depression for >2 years – milder
Definition

1. adjustment disorder with depressed mood

2. major depressive disorder (melancholia)

3. dysthymia

4. Bipolar

Term
Sx of stress, sadness, hopelessness, and physical sx after a stressful event due to inability to cope.

Dx based on identifiable stressor and no other diagnosis

Tx: psychotherapy, sx treatment
Definition
Adjustment disorder
Term
Definition: anxiety disorder that follows severe stress

Sx:
a. Reliving the event: flashbacks, repeated memories, repeated nightmares, strong reactions to situations that remind you of the event
b. Avoidance: numbing, feeling that you don’t care about anything, detachment, inbabilty to remember part of the trauma, avoiding people and places that remind you of the event
c. Arousal: difficulty concentrating, startling easily, exaggerated response to startling, hypervigilance, irritability, insomnia
d. Can also have physical sx

Dx: Sx last at least 30 days

Tx: desensitization, support groups
Definition
PTSD
Term
1.Definition: paroxysms of seizures that are related to stress and emotion – thus making them a type of conversion disorder OR due to malingering

Pathophys: Somatoform/conversion disorder. NOT related to abnormal electrical discharge from the brain. Can also be due to malingering.

Incidence: represents 20-30% of referrals for epilepsy

Sx: “grand mal” seizure, but without the tonic phase. Often shout obscenities while seizing.

Dx: EEG (normal), coexisting psychogenic conditions (fibromyalgia, chronic fatigue), hx of significant injury during seizures – esp ictal cry and tongue biting, lack of rising prolactin/CK levels after seizure

Tx: tell them to stop being crazy bitches
Definition
pseudoepileptic/hysterical seizures
Term
Definition: sexual arousal to objects, situations, or individuals that are not part of a normative stimulation. Extreme or atypical sexual behaviors. Typically involve: non-human objects, humiliation of oneself or one’s partner, children, non-consenting partners. Does NOT include Sharon and Darci.
Definition
sexual paraphilias
Term
erectile dysfunction:
1. more commonly psychogenic or organic
2. cause if loss of libido and ED?
3. cause of loss of erection?
4. loss of orgasm is usually?
5. tx
Definition

1. usually organic

2. loss of libido + ED: androgen deficiency - measure testosterone and gonadotropins

3. vascular, neurogenic, psychogenic

4. psychogenic

5. tx: hormones, phosphodiesterase inhibitors (viagra/sildenafil)

Term
Tx for premature ejaculation
Definition

Clomipramine  (a TCA) 25 mg prior to intercourse

 

Term
most commonly used IV neuroleptic
Definition
Haldol
Term
MOI of venlafazine (Effexor) and duloxetine (Cymbalta)
Definition

   Both of these are SNRIs – inhibit reuptake of serotonin and norepinephrine

 

Term
Drug Dependency (or addiction) is a triad of compulsive drug use including:

a: craving and the behavior involved in the procurement of the drug

b: withdrawal sx on discontinuance of the drug

c: need to increase the dose to obtain the desired effects
Definition

psychological dependence

physiological dependence

tolerance

Term
1. Sx: confusion, ataxia, nystagmus with ophthalmoplegia, peripheral neuropathy.

2.Cause: thiamine deficiency, most commonly due to alcoholism. Can also occur in AIDS, hyperemesis gravidarum, and after bariatric surgery

3.Tx: thiamine 50 mg IV immediately then IM daily
IV glucose can make encephalopathy worse
If suspected, treat immediately while waiting for labs
Definition
wernicke's encephalopathy
Term
Acute, fluctuating disturbance of consciousness with change in cognition or development of perceptual disturbances – consequence of underlying medical disease
Definition
delirium
Term
Stages of death
Definition

a.     Denial and isolation – “I feel fine.” ; “This can’t be happening to me.”

 

b.     Anger – “Why me?” ; “Who is to blame?”

 

c.     Bargaining – “I’ll do anything to live for a few more years.”

 

d.     Depression – “I’m going to die so what’s the point?”

 

e.     Acceptance – “I can’t fight it, I may as well prepare for it.”

 

Term
A hemispherical (half side) spinal column penetrating injury or unilateral cord lesion
•Ipsilateral motor and proprioception loss (position and vibration)
•Contralateral loss of pain and temperature sensation below the lesion
Refer: focal neuro defects
Hospitalize: Neuro defects, spinal cord injury, compression, acute epidural/subdural hematoma, fracture/ dislocation that could compress cord
Definition
Brown-Sequard
Term
osteomyelitis in drug users typically happens where and what organisms?
Definition

spine

 

s. aureus, pseudomonas, serratia

Term
Common sources of infection that lead to osteomyelitis
Definition

joint replacement

decubitus ulcers

neurosurgery

trauma

 

 

Term
osteomyelitis tx
Definition
quinolones + rifampin IV x 6 weeks
Term
3 major causes of osteomyelitis
Definition

focus of infection

dissemination through blood

vascular insufficiency

Term
Iron deficiency anemia:
1. serum ferritin <___
2. caused by ___ until proven otherwise
3. sx
4. CBC w/ smear
5. tx
Definition

Serum ferritin <12 mcg/L

caused by bleeding until proven otherwise

sx: fatigue, tachy, tachypnea, smooth tongue, brittle nails, cheilosis, dysphagia, pica

 

CBC:

1. early: normocytic, normochromic anemia

2. later: hypochromic, microcytic

3. late: anisocytosis, poikilocytosis, target cells, pencil-shaped cells, nucleated RBC, thrombocytosis

 

tx: ferrous sulfate 325 mg TID

Term
oSoutheast Asia / China most common; least common in blacks
4 copies of α-globin chain - normal
3 copies = silent carrier
2 copies = minor/trait - mild microcytic anemia only
1 α chain- Major - chronic hemolytic anemia (hemoglobin H disease)
0 α chains= still born (hydrops fetalis)
oPeriods of hemolytic exacerbations caused by illness and stress


oPeripheral blood smear- microcytes,hypochromia,target cells, poikilocytes
oRetic count is normal

tx?
Definition

alpha thalassemia

 

tx: minor/trait - none

major - routine transfusion + folate, may need splenectomy or allogenic bone marrow transplant

Term
oMediterranian origin
oNormal at birth; Develop severe anemia at 6 months due to switching of hemoglobin F→A
oBony deformitites: abnormal facial structure, pathologic fractures
oHepatosplenomegaly
oJaundice

Labs:
basophilic stipling


tx?
Definition

B thalassemia

 

tx: minor/trait - none

Major: routine transfusions + folate

may need splenectomy or allogenic bone marrow transplant

 

tx may result in iron overload

Term
macrocytic/megaloblastic anemia with hypersegmented neutrophils

risk factors: GI surgery, tapework infx, vegan/vegeterian

sx: low hct, glossitis, diarrhea, anorexia, paresthesia, difficulty balancing, dementia

labs:
MCV 110-140
smear: macro-ovalocytes, hypersegmented neutrophils
low retic count
pancytopenia
elevated LDH and bili

tx?
Definition

B12 deficiency

 

100 mcg B12 IM

 

neuro sx reversible if treated quikcly

Term
macrocytic anemia with macro-ovaloctes and hypersegmented neutrophils

risk factors: diets low in frutis and veggies, alcoholism, overcooked foods, pregnancy, hemolytic anemia

sx: glossitis, no neuro abn

NORMAL B12

tx?
Definition

Folate deficiency

 

Tx: folic acid 1 mg/d PO

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