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358 Cards in this Set

  • Front
  • Back
abdominal pain, ascites, hepatomegaly
budd-chiari syndrome
achilles tendon xanthoma
familial hypercholesterolemia
adrenal hemorrhage, HTN, DIC
Waterhouse-Friderichsen syndrome
Arachnodactyly, lens dislocation, aortic dissection, hyperflexible joints
marfans syndrome
athlete with polycythemia
erythropoietin injection
back pain, fever, night sweats, weight loss
Pott's disease (vertebral TB)
bilateral hilar adenopathy, uveitis
sarcoidosis
blue sclera
osteogenesis imperfecta
bluish line on gingiva
burtons line (lead poisoning)
bone pain, bone enlargement, arthritis
Pagets Disease of bone
bounding pulses, diastolic heart murmur, head bobbing
aortic regurgitation
cafe-au-lait spots, lisch nodules, pheochromocytoma, optic gliomas
NF type I
cafe-au-lait spots, lisch nodules, bilateral acoustic neuromas
NF type II
cafe-au-lait spots, polyostotic fibrous dysplasia, precocious puberty
McCune-Albright Syndrome (mosaic G protein signaling mutation
calf pseudohypertrophy
muscular dystrophy (most commonly duchennes)
"cherry red spot" on macula
tay-sachs or Niemann-Pick, central retinal artery occlusion
chest pain, pericardial effusion/friction rub, persistent fever following an MI
Dresslers Syndrome
Child uses arms to stand up from a squat
Gowers sign (Duchenne muscular dystrophy)
child with fever develops red rash on face that spreads to the body
"slapper cheeks"; erythema infectiosum, parvovirus B19)
chorea, dementia, caudate degeneration
Huntingtons Disease
chronic exercise intolerance with myalgia, fatigue, painful cramps
McArdles Disease (muscle phosphorylase deficiency)
cold intolerance
hypothyroidism
conjugate lateral gaze palsy, horizontal diploplia
internuclear opthalmoplegia (damage to MLF; bilateral=MS, unilateral=stroke)
continuous machinery heart murmur
PDA
cutaneous/dermal edema due to connective tissue deposition
myxedema (hypothyroidism, graves disease)
dark purple skin/mouth nodules
kaposis sarcoma
deep, labored breathing/hyperventilation
Kussmaul breathing (diabetic ketoacidosis)
dermatitis, dementia, diarrhea
pellagra (niacin [vitamin B3] deficiency)
dilated cardiomyopathy, edema, polyneuropathy
wet beriberi(thiamine [vitamin B1] deficiency)
dog or cat bite resulting in infection (not rabies)
Pasteurella multocida
dry eyes, dry mouth, arthritis
Sjogrens syndrome (autoimmune destruction of exocrine glands)
dysphagia (esophageal webs), glossitis, iron deficiency anemia
Plummer-Vinson syndrome (collagen defect, usually type III)
enlarged, hard left supraclavicular node
Virchow's node (abdominal metastasis)
erythroderma, lymphadenopathy, hepatosplenomegaly, atypical T cells
Sezary syndrome (cutaneous T-cell lymphoma) or mycosis fungoides
facial muscle spasm upon tapping
Chvostek's sign (hypocalcemia)
fat, female, forty, fertile
acute cholecystitis
fever, chills, headache, myalgia following antibiotic treatment for syphilis
Jarisch-Herxheimer reaction (rapid lysis of spirochetes resulting in toxin release)
fever, cough, conjunctivitis, coryza, diffuse rash
Measles (morbillivirus)
fever, night sweats, weight loss
B symptoms (lymphoma); TB
fibrous plaques in soft tissue of the penis
Peyronies disease
gout, mental retardation, self-mutilating behavior in a boy
Lesch-Nyhan syndrome (HGPRT deficiency, X-linked recessive)
green yellow rings around peripheral cornea
Kayser-Fleischer rings (copper accumulation from Wilson's disease)
hamartomatous GI polyps, hyperpigmentation of mouth/feet/hands
Peutz-Jeghers syndrome (genetic benign polyposis can cause bowel obstruction; increase cancer risk)
hepatosplenomegaly, osteoporosis, neurological symptoms
Gauchers disease (glucocerebrosidase deficiency)
hereditary nephritis, sensorineural hearing loss, cataracts
alports syndrome (Type IV collagen mutation)
hypercoagulability (leading to migrating DVTs and vasculitis)
Trousseaus sign (adenocarcinoma of pancreas or lung)
hyperphagia, hypersexuality, hyperorality, hyperdocility
Kluver-Bucy syndrome (bilateral amygdala lesion)
HTN, hypokalemia, metabolic acidosis
COnn's syndrome (primary hyperaldosteronism)
hypoxemia, polycythemia, hypercapnia
"Blue bloater" (chronic bronchitis; hyperplasia of mucous cells)
indurated, ulcerated genital lesion
nonpainful: chancre (primary syphilis)
painful with exudate: chancroid
infant with failure to thrive, hepatosplenomegaly, neurodegeneration, cherry red spots on the macula
Niemann-Pick disease (genetic sphinomyelinase deficiency)
infant with hypoglycemia, failure to thrive, and hepatosplenomegaly
Cori's disease (debranching enzyme deficiency)
Infant with microcephaly, rocker-bottom feet, clenched hands, and structural heart defect
Edwards syndrome (trisomy 18)
Jaundice, RUQ pain, fever
Charcots triad 2 (ascending cholangitis)
keratin pearls on a skin biopsy
squamous cell carcinoma
large rash with bull's-eye appearance
erythema chronicum migrans from Ixodes tick bite (Lyme disease: Borrelia)
Lucid interval after traumatic brain injury
epidural hematoma (middle meningeal artery rupture)
male child, recurrent infections, no mature B cells
Brutons disease (x-linked agammaglobulinemia)
mucosal bleeding and prolonged bleeding time
Glanzmann's thrombasthenia (defect in platlet aggregation due to lack of GpIIb/IIIa)
multiple colon polyps, osteomas/soft tissue tumors, impacted/supernumerary teeth
gardners syndrome (subtype of FAP)
necrotizing vasculitis (lungs) and necrotizing glomerulonephritis
Wegners (c-ANCA +) and goospastures syndrome (anti-basement membrane antibodies)
neonate with arm paralysis following difficult birth
Erb-Duchenne palsy (superior trunk [C5-C6] brachial palsy injury: "waiters tip")
no lactation postpartum, absent menstruation, cold intolerance
sheehan's syndrome (pituitary infarction)
nystagmus, intention trmor, scanning speech, bilateral internuclear opthalmoplegia
multiple sclerosis
oscillating slow/fast breathing
Cheyne-Stokes respirations (central apnea in CHF or increased intracranial pressure)
painful blue fingers/toes, hemolytic anemia
cold agglutination disease (autoimmune hemolytic anemia caused by Mycoplasma pneumoniae, infectious mononucleosis)
painful, pale, cold fingers/toes
Raynauds syndrome (vasospasm in extremities)
painful, raised red lesions on palms and soles
oslers node (infective endocarditis)
painless erythematous lesions on palms and soles
janeway lesions (infective endocarditis)
painless jaundice
cancer of the pancreatic head obstructing the bile duct
palpable purpura, joint pain, abdominal pain (child)
Henoch-Schonlein purpura (IgA vasculitis affecting skin and kidneys)
pancreatic, pituitary, parathyroid tumors
Wermer's Syndrome (MEN 1)
pink complexion, dyspnea, hyperventilation
"pink puffer" emphysema
polyuria, acidosis, growth failure, electrolyte imbalances
Fanconi' syndrome (proximal tubular reabsorption defect)
positive anterior "drawer sign"
anterior cruciate ligament injury
ptosis, miosis, anhidrosis
Horners syndrome (sympathetic chain lesion)
pupil accommodates but doesnt react
Argyll Robertson pupil (neurosyphilis)
rapidly progressive leg weakness that ascends (following GI/upper respiratory infection)
Guillain-Barre syndrome (autoimmune acute inflammatory demyelinating polyneuropathy)
rash on palms and soles
secondary syphilis, Rocky Mountain spotted fever
recurrent colds, unusual eczema, high serum IgE
Job's syndrome (hyper-IgE syndrome: neutrophil chemotaxis abnormality)
red "currant jelly" sputum in alcoholic or diabetic patients
Klebsiella pneumoniae
red, itchy, swollen rash of nipple/areola
Pagets disease of the breast
red urine in the morning, fragile RBCs
paroxysmal nocturnal hemoglobinuria
renal cell carcinoma, hemangioblastomas, angiomatosis, pheochromocytoma
von Hippel-Lindau disease (dominant tumor suppressor gene mutation)
resting tremor, rigidity, akinesia, postural instability
Parkinsons disease
restrictive cardiomyopathy (juvenile form:cardiomegaly), exercise intolerance
Pompes disease (lysosomal glucosidase deficiency)
retinal hemorrhages with pale centers
Roths spots (bacterial endocarditis)
severe jaundice in neonate
Crigler-Najjar syndrome (congenital unconjugated hyperbilirubinemia)
severe RLQ pain with rebound tenderness
McBurneys sign (appendicitis
short stature, increase incidence of tumors/leukemia, aplastic anemia
Fanconis anemia (genetically inherited; often progressive to AML)
single palm crease
Simian crease ( down syndrome)
situs inversus, chronic sinusitis, bronchiectasis
Kartageners syndrome (dynein defect affecting cilia)
skin hyperpigmentation
addisons disease
slow progressive muscle weakness in boys
beckers muscular dystrophy (x-linked, defective dystrophin: less severe than Duchennes)
small irregular red spots on buccal/lingual mucosa with blue-white centers
Koplik spots (measles)
smooth, flat, moist white lesions on genitals
condylomata lata (secondary syphilis)
splinter hemorrhages in fingernails
bacterial endocarditis
strawberry tongue
scarlet fever, kawasaki disease, toxic shock syndrome
streak ovariesm congenital heart disease, horseshoe kidney
Turner syndrome (XO, short stature, webbed neck, lymphedema)
sudden swollen/painful big toe joint, tophi
gout/podagra
swollen gums, mucous bleeding, poor wound healing, spots on skin
scurvy (vitamin C deficiency: cant hydroxolate proline/lysine for collagen synthesis)
swollen, hard, painful finger joints
osteoarthritis (osteophytes on PIP (Bouchards nodes), DIP (Heberdens nodes))
systolic ejection murmur (crescendo-decrescendo)
aortic valve stenosis
thyroid and parathyroid tumors, pheochromocytoma
sipples syndrome (MEN 2A)
toe extension/fanning upon plantar scrape
babinskis sign (UMN lesion)
unilateral facial drooping involving forehead
Bell's palsy (LMN CN VII palsy)
urethritis, conjunctivitis, arthritis in a male
Reiters syndrome (reactive arthritis associated with HLA-B27)
Vascular birthmark (port wine)
hemangioma (benign, but associated with Sturge-Weber syndrome)
vasculitis from exposure to endotoxin causing glomerular thrombosis
Shwartzman reaction (following second exposure to endotoxin)
vomiting blood following esophagogastric lacerations
Mallory-Weiss syndrome
"waxy" casts with very low urine flow
chronic end stage renal disease
WBC casts in urine
acute pyelonephritis
what GI and Chromosomal problems cause nonimmune hydrops?
GI:
-diaphragmatic hernia
-meconium peritonitis

Chromosomes:
-Down Syndrome
-triploidy
"worst headache of my life"
subarachnoid hemorrhage
anticentromere antibodies
scleroderma (CREST)
antidemoglein (epithelial) antibodies
pemphigus vulgaris (blistering)
anti-glomerular basement membrane antibodies
goodpasture's syndrome
antihistone antibodies
drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide)
Anti-IgG antibodies
Rheumatoid arthritis
antimitochondrial antibodies (AMA's)
primary biliary cirrhosis
antineutrophil cytoplasmic antibodies (ANCAs)
vasculitis
-c-ANCA: Wegners
-p-ANCA: microscopic polyangitis
-churg strauss syndrome
antinuclear antibodies (ANAS:anti-smith and anti-dsDNA)
SLE (type III hypersensitivity)
antiplatelet antibodies
idiopathic thrombocytopenic purpura
anti-topoisomerase antibodies
diffuse systemic scleroderma
anti-transglutaminase/antigliadin/anti-endomysial antibodies
celiac disease (diarrhea, distention, weight loss)
azurophilic granular needles in leukemic blasts
auer rods (AML)
"bamboo spine" on x-ray
ankylosing spondylitis (chronic inflammatory arthritis: HLA-B27)
basophilic nuclear remnants in RBCs
Howell-Jolly bodies
basophilic stippling of RBCs
lead poisoning or sideroblastic anemia
bloody tap on LP
subarachnoid hemorrhage
"boot-shaped" heart on xray
ankylosing spondylitis
branching gram-positive rods with sulfur granules
actinomyces israelii
brochogenic apical lung tumor
pancoasts tumor (can compress sympathetic ganglion and cause Horners syndrome)
"brown" tumor of bone
Henorrhage causes brown color of osteolytic cysts. due to
1) hyperparathyroidism
2) osteitis fibrosa cystica
cardiomegaly with apical atrophy
chagas disease
cellular crescents in Bowmans capsule
rapidly progressive crescentic glomerulonephritis
"chocolate cyst" of ovary
endometriosis
circular grouping of dark tumor cells surrounding pale neurofibrils
Homer Wright rosettes (neuroblastoma, medulloblastoma, retinoblastoma)
colonies of mucoid pseudomonas in lungs
cystic fibrosis (CFTR mutation in caucasions resulting in fat soluble vitamin deficiency and mucous plugs)
degeneration of dorsal column nerves
Tabes dorsalis (tertiary syphilis)
depigmentation of neurons in substantia niagra
Parkinsons disease
desquamated epithelium casts in sputum
Curschmann's spirals: bronchial asthma
disarrayed granulosa cells in eosinophilic fluid
call-exner bodies (granulosa theca cell tumor of the ovary)
dysplastic squamous cervical cells with nuclear enlargement and hyperchromasia
koilocytes (HPV)
enlarged cells with intranuclear inclusion bodies
"owls eyes" appearance of CMV
enlarged thyroid cells with ground-glass appearance
"orphan annie" eye nuclei (papillary carcinoma of the thyroid
eosinophilic cytoplasmic inclusion in liver cell
mallory bodies (alcoholic liver disease)
eosionophilic cytoplasmic inclusion in nerve cell
lewy body (parkinsons disease)
eosinophilic globule in liver
councilman body (toxic or viral hepatitis)
eosinophilic inclusion bodies in cytoplasm of hippocampal nerve cell
Rabies virus
extracellular amyloid deposition in gray matter of the brain
senile plaques (alzheimers disease)
giant B cells with bilobed nuclei with prominent inclusions (owls eye)
reed-sternberg cells (Hodkins lymphoma)
glomerulus like structure surrounding vessel in germ cells
schuller-duval bodies (yolk sac tumor)
"hair on end" (crew cut) appearance on xray
beta-thalassemia, sickle cell anemia
hCG elevated
choriocarcinoma, hydatidiform mole
heart nodules (inflammatory)
aschoff bodies (rheumatic fever)
heterophile antibodies
infectious mononucleosis (EBV)
hexagonal, double pointed, needle like crystals in bronchial secretions
bronchial asthma
high level of D-dimers
DVT, pulmonary embolism, DIC
hilar lymphadenopathy, peripheral granulomatous lesion in middle or lower lung lobes (can calcify)
ghon focus (primary TB)
"honeycomb lung" on xray
interstitial fibrosis
hypersegmented neutrophils
megaloblastic anemia ( B12, folate deficiency)
hypochromatic, microcytic anemia
iron deficiency anemia, lead poisoning, thalassemia (HbF sometimes present)
increased alpha-fetoprotein in amniotic fluid/maternal serum
anencephaly, spina bifida (neural tube defects)
increased uric acid levels
gout, lesch-nyhan syndrome, tumor lysis syndrome, loop and thiazide diuretics
intranuclear eosinophilic droplet like bodies
cowdry type A bodies (HSV)
iron-containing nodules in alveolar septum
ferruginous bodies (asbestosis: increased chance of mesothelioma)
large lysosomal vesicles in phagocytes, immunodeficiency
Chediak-Higashi disease (congenital failure of phagolysosome formation)
low serum ceruloplasmin
wilsons disease
"lumpy-bumpy" appearance of glomeruli on immunofluorescence
poststreptococcal glomerulonephritis
lytic (hole punched) bone lesions on xray
multiple myeloma
mammary gland (blue domed) cyst
fibrocystic change of the breast
monoclonal antibody spike
1) multiple myeloma
2) monoclonal gammopathy of undetermined significance (normal consequence of aging)
3) Waldenstroms (m protein=IgM) macroglobulinemia
4) primary amyloidosis
monoclonal globin protein in blood/urine
bence jones proteins (multiple myeloma [kappa or lambda Ig light chains in urine])
Waldenstroms macroglobulinemia (IgM)
mucin filled cell with peripheral nucleus
signet ring (gastric carcinoma)
narrowing of bowel lumen on barium radiograph
"string sign" (crohns disease)
needle shaped, negatively birefringent crystals
gout (hyperuricemia)
nodular hyaline deposits in glomeruli
Kimmelstiel-Wilson nodules (diabetic nephropathy)
"nutmeg" appearance of liver
chronic passive congestion of liver due to right heart failure
onion skin periosteal reaction
ewings sarcoma (malignant round-cell tumor)
periosteum raised from bone, creating triangular area
codmans triangle on xray (osteosarcoma, pyogenic osteomyelitis)
podocyte fusion on EM
minimal change disease (child with nephrotic syndrome)
polished, "ivory-like" appearance of bone at cartilage erosion
eburnation (OA resulting in bony sclerosis)
protein aggregates in neurons from hyperphosphorylation of protein tau
neurofibrillary tangles ( alzheimers and CJD)
pseudopalisading tumor cells on brain biopsy
glioblastoma multiforme
RBC casts in urine
acute glomerulonephritis
rectangular, crystal-like, cytoplasmic inclusions in Leydig cells
Reinke crystals (leydig cell tumor)
renal epithelial casts in urine
acute toxic/viral nephrosis
rhomboid crystals, positively birefringent
psuedogout (calcium pyrophosphate dihydrate)
rib notching
coarctation of the aorta
sheets of medium-sized lymphoid cells ("starry sky" appearance on histology)
burkitts lymphoma
silver-staining spherical aggregation of tau proteins in neurons
Pick bodies (Picks disease)
"soap bubble" in femur on tibia on xray
giant cell tumor of bone (generally benign)
"spikes" on basement membrane, "dome like" endothelial deposits
membranous glomerulonephritis
stacks of red blood cells
rouleaux formation (high ESR, multiple myeloma)
stippled vaginal epithelial cells
"clue cells" (gardnerella vaginalis)
"tennis-racket" shaped cytoplasmic organelles (EM) in Langerhans cells
Birbeck granules (histocytosis X:eosinophilic granuloma)
thrombi made of white/red layers
Lines of zahn (arterial thrombus)
"thumb sign" on lateral xray
epiglottitis (H. influenzae)
thyroid-like appearance of kidney
chronic bacterial pyelonephritis
"tram-track" appearance on LM
membranoproliferative glomerulonephritis
triglyceride accumulation in liver cell vacuoles
fatty liver disease
WBCs that look smudged
CLL (almost always B cells, affects the elderly)
"wire loop" glomerular appearance on LM
lupus nephropathy
yellow CSF
xanthochromia (subarachnoid hemorrhage)
actinic keratosis is a precursor to ___________
SCC
acute gastric ulcer associated with CNS injury
Cushings ulcer ( increased ICP stimulates vagal gastric mucosa)
acute gastric ulcer associated with severe burns
Curling's ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)
alternating areas of intestinal transmural inflammation and normal colon
skip lesions (Crohn's disease)
most common cause of a dissecting aneurysm
HTN
most common cause of an abdominal or descending aorta aneurysm
atherosclerosis
most common cause of an ascending aortic aneurysm
tertiary syphilis
marfans syndrome
most common cause of atrophy of the mammillary bodies
wernicke's encephalopathy (thiamine deficiency causing ataxia,opthalmoplegia, and confusion)
autosplenectomy (fibrosis and shrinkage) is associated with
sickle cell anemia
bacteria associated with stomach cancer
H. Pylori
most common cause of bacterial meningitis in adults and elderly
Neisseria meningitidis
most common cause of bacterial meningitis in newborns
group B streptococcus
most common cause of bacterial meningitis in kids
S. pneumoniae/Neisseria meningitidis
bleeding disorder with GpIIb deficiency
Bernard-Soulier disease (defect in platelet adhesion to von Willebrands factor)
most common cause of brain tumor in adults
supratentorial
mets>astrocytoma (including glioblastoma multiforme) >meningioma >schwannoma
most common cause of brain tumor in kids
infratentorial: medulloblastoma
supratentorial: craniopharyngioma
most common breast cancer
infiltrating ductal carcinoma
most common cause of breast tumor
fibroadenoma
most common primary cardiac tumor in kids
rhabdomyoma
the cardiac manifestation of lupus
Libman-Sacks endocarditis (nonbacterial, affecting mitral)
most common cardiac tumor of adults
1) metastasis
2) primary myxoma
most common cause of cerebellar tonsillar herniation
chiari malformation (often presents with progressive hydrocephalus or syringomyelia)
most common cause of a cardiac arrhythmia
atrial fibrillation
most common cause of clear cell adenocarcinoma of the vagina
DES exposure in utero
most common cause of congenital adrenal hyperplasia and hypotension
21-hydroxylase deficiency
most common congenital cardiac anomaly
VSD
most common cause of congenital conjugated hyperbilirubinemia (black liver)
Dubin-Johnson syndrome (inability of hepatocytes to secrete conjugated bilirubin into bile)
most common cause of constrictive pericarditis in the developing world
TB
most common coronary artery involved in thrombosis
LAD>RCA>LCA
most common cause of cretinism
iodine deficit/hypothyroidism
most common cause of cushing's syndrome
1) corticosteroid therapy
2) excess ACTH secretion by pituitary
most common cause of early cyanosis
tetralogy of Fallot transposition of great vessels, truncus arteriosus
most common cause of late cyanosis
VSD, ASD, PDA
most common cause of death in CML
blast crisis
most common cause of death in SLE
lupus nephropathy
most common cause of dementia
1) Alzheimer's disease
2) multiple infarcts
most common demyelinating disease in young women
multiple sclerosis
most common cause of DIC
gram-negative sepsis, obstetric complications, cancer, burn trauma
most common dietary deficiency
iron
most common cause of ejection click
aortic/pulmonic stenosis
most common esophageal cancer
SCC (worldwide)
adenocarcinoma (USA)
most common cause of food poisoning
S. aureus, B cereus
most common cause of glomerulonephritis in adults
Berger's disease (IgA nephropathy)
most common gynecologic malignancy
endometrial carcinoma
most common congenital heart murmur
mitral valve prolapse
most common heart valve involved in bacterial endocarditis in rheumatic fever
1) mitral
2) aortic
most common heart valve involved in bacterial endocarditis in IV drug users
tricuspid
2 most common helminth infection in the US
1) enterobius vermicularis
2) Ascaris lumbricoides
most common cause of an epidural hematoma
rupture of middle meningeal artery (crescent shaped)
most common cause of a subdural hematoma
rupture of the bridging veins (lentiform shaped)
most common cause of hemochromatosis
multiple blood transfusions or hereditary HFE mutations
most common cause of hepatocellular carcinoma
cirrhotic liver (often associated with hepatitis B and C)
most common hereditary bleeding disorder
von Willebrands disorder
most common cause of hereditary harmless jaundice
Gilbert's syndrome (benign congenital unconjugated hyperbilirubinemia)
most common diseases associated with HLA-B27
Ankylosing spondylitis, Reiter's syndrome, ulcerative colitis
most common diseases associated with HLA-DR3 or DR4
DM type I, rheumatoid arthritis, SLE
most common cause of a holosystolic murmur
VSD, tricuspid regurgitation, mitral regurgitation
hypercoagulability, endothelial damage, blood stasis
Virchow's triad (results in venous thrombosis)
most common cause of secondary HTN
renal disease
most common cause of hypoparathyroidism
thyroidectomy
most common cause of hypopituitarism
pituitary adenoma (usually benign)
most common cause of an infection secondary to a blood transfusion
hepatitis C
most common cause of a late cyanotic shunt (uncorrected L-->R becomes R-->L)
Eisenmengers syndrome (caused by ASD, VSD< PDA; results in pulmonary HTN/polycythemia)
most common cause of liver disease
alcoholic cirrhosis
most common lysosomal storage disease
gaucher's disease
most common male cancer
prostatic carcinoma
most common malignancy associated with noninfectious fever
Hodkin's lymphoma
most common malignant skin tumor
Basal cell carcinoma (rarely metastasizes)
most common cause of mental retardation
1) Down syndrome
2) Fragile X Syndrome
most common cause of bone metastases
breast, lung, thyroid, testes, prostate, kidney
most common cause of brain metastases
lung, breast, skin (melanoma), kidney (RCC), GI
most common cause of liver metastases
colon, gastric, pancreatic, breast, and lung carcinomas
most common cause of mitral valve stenosis
Rheumatic heart disease
most common cause of mixed (UML and LMN) motor neuron disease
ALS
most common cause of myocarditis
Coxsackie B
most common neoplasm in kids
1) ALL
2 )cerebellar medulloblastoma
most common cause of nephrotic syndrome in adults
membranous glomerulonephritis
most common cause of nephrotic syndrome in kids
minimal change disease
most common cause of nosocomial pnemonia
Klebsiella, E coli, Pseudomonas aeruginosa
most common cause of obstruction of male urinary tract
BPH
most common cause of an opening snap on heart auscultation
mitral stenosis
most common opportunistic infection in AIDS
pneumocystis jiroveci pnemonia
most common cause of osteomyelitis
S. Aureus
most common cause of osteomyelitis in sickle cell disease
Salmonella
most common cause of osteomyelitis with IV drug use
Pseudomonas, S. Aureus
most common cause of ovarian metastasis from gastric carcinoma or breast cancer
Krukenberg tumor (mucin-secreting signet ring cells)
most common benign ovarian tumor
Serous cystadenoma
most common malignant ovarian tumor
serous cystadenocarcinoma
most common cause of acute pancreatitis
gallstones, alcohol
most common cause of chronic pancreatitis
alcohol (adults), CF (kids)
most common age group seen with ALL
child
most common age group seen with CLL
adult >60
most common age group seen with AML
adult >60
most common age group seen with CML
adult 35-50
most common cause of pelvic inflammatory disease
Neisseria gonorrhoeae
most common association with Philadelphia chromosome t(9:22)
CML
most common pituitary tumor
1) prolactinemia
2 )somatotropic "acidophilic" adenoma
most common cause of primary amenorrhea
Turner Syndrome (XO)
most common primary bone tumor in adults
multiple myeloma
most common cause of primary hyperaldosteronism
adenoma of adrenal cortex
most common cause of primary hyperparathyroidism
1) adenomas
2) hyperplasia
3) carcinoma
most common primary liver cancre
heptaocellular carcinoma (chronic hepatitis, cirrhosis, hemochromatosis, alpha-1 antitrypsin)
most common cause of pulmonary hypertension
COPD
most common cause of recurrent inflammation/thrombosis of small/medium vessels in extremities
Buerger's disease
most common renal tumor
RCC
most common cause of right heart failure due to a pulmonary cause
cor pulmonale
most common cause of an S3
increased ventricular filling (L-->R shunt, mitral regurgitation, LV failure)
most common cause of an S4
stiff/hypertrophic ventricle (aortic stenosis, restrictive cardiomyopathy)
most common cause of secondary hyperparathyroidism
hypocalcemia of chronic kidney disease
most common STD
chlamydia
most common cause of SIADH
small cell carcinoma of the lung
most common site of diverticula
sigmoid colon
most common site of atherosclerosis
abdominal aorta> coronary>popliteal>carotid
most common stomach cancer
adenocarcinoma
most common cause of stomach ulcerations and high gastrin levels
Zollinger-Ellison syndrome
most common association with t(14;18)
follicular lymphoma (bcl-s activation)
most common association with t(9;22)
philidelphia chromosome, CML
most common association with t(8;14)
Burkitts lymphoma (c-myc activation)
most common testicular tumor
seminoma
most common thyroid cancer
papillary carcinoma
most common tumor in women
leiomyoma (estrogen dependent)
most common tumor of infancy
hemangioma (usually regresses spontaneously)
most common tumor of teh adrenal medulla in adults
pheochromocytoma
most common tumor of teh adrenal medulla in kids
neuroblastoma (malignant)
most common type of Hodkins
nodular sclerosis
most common type of non-Hodkins
diffuse large cell
most common cause of UTI
E coli, Staphylococcus saprophyticus
most common viral encephalitis affecting temporal lobe
HSV
most common vitamin deficiency in the US
folic acid
sensitivity=
TP/(TP + FN)
specificity=
TN/ (TN + FP)
positive predictive value=
TP/ (TP+FP)
negative predictive value=
=TN/ (TN+FN)
relative risk=
a
______
(a+b)
_____________
c
______
c + d
attributable risk=
a c
_____ - _______
a + b c + d
number needed to treat=
1/ absolute risk reduction
number needed to harm=
1/attributable risk
hardy-Weinberg equilibrium=
2 2
p + 2pq + q =1
henderson hasselbach equation=
pH= pKa + log [(HCO3-)/(.03 PCO2)]
volume of distribution=
amount of drug in body/plasma drug concentration
half life of a drug=
(.07 x Vd)/CL
loading dose=
Cp x (Vd/F)
maintenance dose=
Cp x (CL/F)
cardiac output=
CO=rate of O2 consumption/ (arterial O2 content-venous O2 content)

CO=stroke volume x heart rate
mean arterial pressure=
MAP= cardiac output x total peripheral resistance

MAP= 1/3 systolic x 2/3 diastolic
stroke volume=
end diastolic volume-end systolic volume
ejection fraction=
(stroke volume/end diastolic volume) x 100
net filtration pressure=
[(Pc-Pi)-(osmotic pressure c-osmotic pressure i)]
glomerular filtration rate=
GFR= U inulin x V/P inulin

GFR= Kf[(Pgc-Pbs)-(osmotic pressure gc-osmotic pressure bs)]
effective renal plasma flow=
Upah x V/Ppah
renal blood flow=
RPF/(1-Hct)
filtration fraction=
GFR/RPF
physiological dead space=
Vt x (Paco2 -Peco2)/Paco2