Shared Flashcard Set

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USMLE Step 1 HY
First Aid HY Associations
135
Medical
Graduate
05/21/2010

Additional Medical Flashcards

 


 

Cards

Term
Actinic (solar keratosis) predisposes to what cancer?
Definition
Squamous Cell Carcinoma
Term
Acute gastric ulcer associated w/ CNS injury
Definition
Cushing's ulcer (Increased ICP stimulates vagal gastric secretion)
Term
Acute gastric ulcer associated w/ severe burns
Definition
Curling's ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)...think "curling iron" and burns
Term
Alternating areas of transmural inflammation and normal colon
Definition
Skip lesions (Crohn's dz; autoimmune)..."string sign"- narrowing of lumen
Term
Most common cause of Aneurysm, dissecting
Definition
Hypertension
Term
Most common cause of Aortic aneurysm, abdominal and descending aorta
Definition
Atheroclerosis
Term
Most common cause of Aortic aneurysm, ascending
Definition
tertiary syphilis
Term
Most common cause of Atrophy of the mammillary bodies
Definition
Wernicke's encephalopathy (thiamine deficiency causing ataxia, opthalmoplegia, and confusion)...remember to always give thiamine before glucose so as to not exacerbate
Term
Most common cause of Autosplenectomy
Definition
Sickle cell anemia (HbS)...susceptibility to encapsulated organisms
Term
Most common cause of Bacteremia/pneumonia in IV drug user
Definition
S. aureus
Term
Bacteria associated w/ stomach cancer
Definition
H. pylori
Term
Most common cause of Bacterial meningitis (adults and elderly)
Definition
strep pneumo
Term
Most common cause of Bacterial meningitis (newborns and kids)
Definition
Group B strep and e. coli (newborns), strep pneumo and neisseria meningitidis (kids)
Term
Benign melanocytic nevus
Definition
Spitz nevus (most common in first 2 decades)
Term
Bleeding d/o with Gp1b deficiency
Definition
Bernard-Soulier dz (defect in platelet adhesion)
Term
Most common 4 Brain tumors in adults
Definition
"MGM Studios"...Metastasis > Gioblastoma multiforme > Meningioma > Schwannoma
Term
Most common Brain tumors in kids (mostly infratentorial)
Definition
Astrocytomas > Medulloblastoma > Ependymoma > Craniopharyngioma (supratentorial)
Term
Most common breast cancer
Definition
Infiltrating ductal carcinoma (1 in 9 women in US)
Term
Most common cause of Breast mass
Definition
1. Fibrocystic change
2. Carcinoma (postmenopausal women)
Term
Most common cause of Benign breast tumor
Definition
fibroadenoma
Term
Bug in debilitated hospitalized pneumonia pt
Definition
Klebsiella
Term
Most common Cardiac primary tumor in kids
Definition
Rhabdomyoma
Term
Most common Cardiac Manifestation of lupus
Definition
Libman-Sacks endocarditis (nonbacterial, affecting mitral)
Term
Most common cause of Cardiac tumor (adults)..2
Definition
1. metastasis
2. Primary myxoma (4:1 left to right atrium, "ball and valve")
Term
Most common cardiomyopathy
Definition
Dilated cardiomyopathy (40% are familial)
Term
Most common cause of cerebellar tonsillar herniation
Definition
Arnold-Chiari malformation (often causes hydrocephalis) and syringomyelia
Term
Most common cause of chronic arrhythmia
Definition
atrial fibrillation (assoc'd w/ high risk of emboli)
Term
Chronic atrophic gastritis (autoimmune)
Definition
Predisposition to gastric carcinoma (also causes pernicious anemia by destroying parietal cells)
Term
Clear cell adenocarcinoma in utero
Definition
DES exposure in utero
Term
Congenital adrenal hyperplasia (what enzyme is deficient?)
Definition
21-hydroxylase deficiency
Term
Most common congenital cardiac anomaly
Definition
VSD
Term
Congenital conjugated hyperbilirubinemia (black liver)
Definition
Dubin-Johnson syndrome (inability of hepatocytes to secrete conjugated bilirubin into bile)
Term
Most common cause of constrictive pericarditis in the developing world
Definition
TB
Term
Most common coronary artery involved in thrombosis
Definition
LAD > RCA > LCA
Term
Most common cause of cretinism
Definition
iodide deficiency/ hypothyroidism
Term
Most common cause of Cushing syndrome
Definition
1. corticosteroid therapy (exogenous steroids)
2. Excess ACTH secreted by pituitary (Cushing's dz)
Term
Most common cause of early cyanosis (less common than late)
Definition
T's: Tetralogy of Fallot, Transposition of great vessels, Truncus arteriosis
Term
Most common cause of late cyanosis (more common than early)
Definition
VSD, ASD, PDA
Term
Most common cause of death in CML
Definition
blast crisis
Term
Most common cause of death in SLE
Definition
lupus nephropathy (dsDNA)
Term
Most common cause of dementia (2)
Definition
1. Alzheimer's dz
2. Multiple infarcts
Term
Most common demyelinating dz
Definition
Multiple Sclerosis
Term
Most common causes of DIC
Definition
"STOP Making New Thrombi"...Sepsis (gram-), Trauma, Obstetric complications, Pancreatitis, Malignancy, Nephrotic syndrome, Transfusion
Term
Most common dietary deficiency?
Definition
iron
Term
Diverticulum of the pharynx
Definition
Zenker's diverticulum, dx by barium swallow
Term
Most common cause of ejection click
Definition
aortic/pulmonic stenosis
Term
Most common kind of esophageal cancer
Definition
squamous cell carcinoma
Term
Most common cause of food poisoning
Definition
staph aureus (pre-formed toxin)
Term
Most common gene involved in cancer
Definition
p53 tumor suppressor gene
Term
Most common cause of glomerulonephritis (adults)
Definition
Berger's Dz (IgA nephropathy)
Term
Most common gynecological malignancy
Definition
Endometrial carcinoma
Term
Most common heart murmur
Definition
mitral valve prolapse
Term
Most common heart valve involved in bacterial endocarditis
Definition
Mitral (rheumatic fever, 2nd valve is aortic), tricuspid (IVDA)
Term
Most common helminthic infections in the U.S. (2)
Definition
1. Enerobius vermicularis (pinworms)
2. Ascaris lumbricoides (Loffler's eosinophilic pneumonitis)
Term
Cause of epidural hematoma (artery)
Definition
Rupture of Middle Meningeal A, temporal bone trauma, bleeding is FAST
Term
Cause of subdural hematoma (vessels)
Definition
rupture of the bridging veins, trauma, bleeding is SLOW
Term
Most common cause of hemochromatosis
Definition
multiple blood transfusions (can result in CHF and increased risk of hepatocellular carcinoma)
Term
Most common cause of Hepatocellular carcinoma
Definition
cirrhotic liver (often assoc'd w/ hep B and C)
Term
Most common hereditary bleeding disorder
Definition
Von Willebrand's dz
Term
Most common hereditary harmless jaundice (incidental finding)
Definition
Gilbert's syndrome (benign congenital unconjugated hyperbilirubinemia)
Term
HLA-B27 association
Definition
"PAIR"... Psoriatic arthritis, Ankylosing spondylitis, IBD, Reiter's
Term
HLA-DR3 or DR4 association (3)
Definition
Diabetes Mellitis Type 1, Rheum arthritis, SLE
Term
3 causes of a holocystolic murmur
Definition
VSD, tricuspid regurg, mitral regurg
Term
Hypercoagability + endothelial damage + blood stasis
Definition
Virchow's triad (results in DVT)
Term
Most common cause of hypOparathyroidism
Definition
thyroidectomy (actually removing part of parathyroids)
Term
Most common cause of hypopituitarism
Definition
adenoma
Term
Hepatitis associated w/ blood transfusions
Definition
Hepatitis C
Term
3 most common type of kidney stones
Definition
1. Calcium (radiopaque)
2. Struvite (ammonium)..radiopaque (formed by urease+ organisms such as proteus and staph)
3. Uric acid (radiolucent)
Term
Late cyanotic shunt (uncorrected L-->R becomes R-->L)
Definition
Eisenmenger's syndrome (caused by ASD, VSD, PDA; results in pulmonary HTN/polycythemia)
Term
Most common liver dz
Definition
Alcoholic liver dz
Term
Most common lysosomal storage dz
Definition
Gauccher's
Term
Most common male cancer
Definition
prostate cancer
Term
Malignancy associated w/ non-infectious fever
Definition
Hodgkins Lymphoma
Term
Top 3 causes of mental retardation
Definition
1. Fetal Alcohol Syndrome
2. Down's Syndrome
3. Fragile X Syndrome (FMR1 gene mutation)
Term
Most common malignant skin tumor
Definition
Basal cell carcinoma (rarely metastasizes, stays at home BASE)
Term
Mets to bones
Definition
BL...PTK (prostate, testes, kidney)
Term
Mets to brain
Definition
BL..KS (kidneys, skin-melanoma)
Term
Mets to liver
Definition
BL...CGP (colon, gastric, pancreas)
Term
Most common cause of mitral valve stenosis
Definition
Rheumatic heart dz
Term
Most common motor neuron dz
Definition
ALS (UMN-corticospinal tract, LMN-ant horn cells)
Term
2 viral causes of myocarditis
Definition
coxsackie B and echovirus
Term
2 most common neoplasms in kids
Definition
1. ALL
2. Cerebellar astrocytoma
Term
Most common cause of nephrotic syndrome in adults
Definition
Membranous glomerulonephritis ("spikes" and "domes"
Term
Most common cause of nephrotic syndrome in kids
Definition
Minimal change dz (assoc's w/ infections/vaccinations, tx w/ corticosteroids)....lose podocyte foot processes
Term
Obstruction of male urinary tract
Definition
BPH (treat w/ finasteride and alpha blockers)
Term
Most common cause of opening snap
Definition
mitral stenosis, best heard in left lateral decubitus position
Term
Most common opportunistic infection in AIDS
Definition
PCP (treat w/ bactrim <200)
Term
Most common organ receiving mets
Definition
adrenal glands, due to rich blood supply
Term
Most common cause of osteomyelitis
Definition
staph aureus (Sickle cell- salmonella, IVDA-pseudomonas)
Term
Most common organ sending mets
Definition
lung > breast, stomach
Term
Ovarian metastasis f/ gastric carcinoma or breast cancer
Definition
Krukenberg tumor (mucin-secreting signet ring cells)
Term
Most common ovarian tumor (benign)
Definition
serous cystadenoma
Term
Most common ovarian tumor (benign)
Definition
serous cystadenoma
Term
Most common malignant ovarian tumor
Definition
serous cystadenocarcinoma (psammoma bodies, CA-125)
Term
Most common pancreatic tumor
Definition
Adenocarcinoma (head of pancreas)...painless jaundice!
Term
Most common cause of acute pancreatitis
Definition
EtOH and gallstones (also high TG or Ca2+)
Term
Ages of pts w/ ALL, CLL, AML, CML...
Definition
ALL: child, CML: adults 35-50, CLL/AML: adults>60
Term
Most common pt w/ Hodgkin's dz
Definition
young male (except nodular sclerosis type-female)
Term
Philadelphia chromosome 2(9;22)
Definition
CML
Term
Most common pituitary tumor
Definition
1. prolactinoma
2. Somatotrophic "acidophilic" adenoma (releases GH)
Term
Most common hospital-acquired pneumonia
Definition
Klebsiella (also staph. or pseudomonas if intubated)
Term
Most common cause of primary amenorrhea
Definition
Turner's syndrome (XO, get a karyotype)
Term
Most common primary bone tumor in adults
Definition
multiple myeloma
Term
Most common cause of primary hyperaldosteronism
Definition
Adenoma of adrenal cortex
Term
Most common primary liver cancer
Definition
hepatocellular carcinoma (aka hepatoma)
Term
3 most common causes of primary herparathyroidism
Definition
1. Adenomas
2. Hyperplasia
3. Carcinoma (PTH-related peptide)
Term
Most common cause of primary HTN
Definition
COPD
Term
Recurrent inflammation/thrombosis of small/medium vessels in extremities
Definition
Buerger's dz (young male smokers)
Term
Most common renal tumor
Definition
Renal cell carcinoma; associated w/ von Hippel Lindau and ADPKD; paraneoplactic syndromes (erythropoeitin, renin, PTH, ACTH)
Term
Right heart failure diue to a pulmonary cause
Definition
cor pulmonale
Term
S3 (protodiastolic gallop)
Definition
increased ventricular filling (L-->R shunt, mitral regurg, LV failure-CHF, dilated cardiomyopathy)
Term
S4 (presystolic gallop)
Definition
stiff/hypertrophic ventricle (aortic stenosis, restrictive cardiomyopathy, LVH, HOCM)
Term
Most common cause of secondary hyperparathyroidism
Definition
hypocalcemia of chronic kidney dz (decrease vit D, Ca2+, increased PTH)
Term
Most common cause of SIADH
Definition
Small cell carcinoma of the lung (also lung pathology)
Term
Most common site of diverticula
Definition
sigmoid colon
Term
2 most common sites of metastasis
Definition
1. regional lymph nodes
2. liver
Term
Most common sites of atherosclerosis
Definition
abdominal aorta > coronary > popliteal > carotid
Term
Most common stomach cancer
Definition
adenocarcinoma (signet ring cells)
Term
Most common cause of stomach ulcerations and high gastrin levels
Definition
Zollinger Ellison syndrome (gastrinoma of duodenum or pancreas)
Term
t (14;18)
Definition
Follicular lymphomas (bcl-2)
Term
t (8;14)
Definition
Burkitt's lymphoma (c-myc activation)
Term
t (9;22)
Definition
Philadelphia chromosome, CML (bcr-abl hybrid)
Term
t (11;22)
Definition
Ewing's sarcoma
Term
Complication of Giant cell/Temporal arteritis
Definition
Risk of ipsilateral blindness due to thrombosis of opthalmic artery, increased ESR
Term
Most common testicular tumor
Definition
seminoma
Term
Most common thyroid cancer
Definition
Papillary carcinoma (psammoma bodies and Orphan-Annie nuclei)
Term
Most common tumor of women
Definition
Leiomyoma (estrogen dependent...uterine fibroid, bleeds a lot)
Term
Most common tumor of infancy
Definition
Hemangioma ("strawberry"- gets worse then regresses on its own)
Term
Most common adult tumor of the adrenal medulla
Definition
Pheochromocytoma (benign)
Term
Most common kid tumor of the adrenal medulla
Definition
Adrenal neuroblastoma (malignant, Homer-Wright pseudorosettes)
Term
Most common type of Hodgkins
Definition
Nodular sclerosis
Term
Most common type of non-Hodgkins
Definition
Diffuse large cell
Term
Most common cause of UTI
Definition
e. coli (80%)...then staph saprophyticus
Term
Most common cause of viral encephalitis
Definition
HSV (temporal lobe)
Term
Most common vitamin deficiency in the US
Definition
folic acid (pregnant women are at high risk; body only stores 3-4 month supply)
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