uworld 11 Flashcards
(37 cards)
Si/sx of rubella?
low grd fever, conjunctivitis, coryza, cervical LAD, head to body spread of blanching maculopapular rash, lasts less than 3 days
Risk fx of endocarditis?
Poor dentition, cardiac probs (congenital dx, valvular abnormalities/ repair), IV catheters, IV drug use
Lab/imaging findings w/ infective endocarditis?
+ blood cx, leukocytosis or nml WBC, glomerulonephritis signs on UA, septic emboli
What is gold standard for dx of infective endo?
TEE is gold std, 100% specific
How tx I.E.?
Start w/ vanc, then adjust based on cx
What is alternate test to dx vertebral osteomyelitis?
can do bone scan w/ gallium if MRI contraindicated
Causes of constrictive pericarditis?
idiopathic or viral pericarditis, cardiac surgery or radiation tx, TB pericarditis
Px of constrictive pericarditis?
fatigue + dyspnea, periph edema, JVD, ascites, may hear pericardial knock
JV wave signs of constrictive periccarditis?
prominent x and y descents
What are P/E findings of pulmo htn?
widely split s2 and incrsd intensity of P2
What is px of polymyositis?
slowly progressive prox muscle weakness of lower>upper extrem, cannot get out of chair, climb stairs, muscles of mastication and facial expession typically spared
How best diagnose polymyositis?
do muscle biopsy — get mononuclear infiltrate surrounding necrotic and regenerating muscle fibers
when should amiodarone be avoided?
Can cause pulm toxicity and should be avoided in pts w/ preexisting lung disease, can cause chronic interstitial pneumonia, organizing pneumonia, ARDS.
How empirically tx patient <50 y/o for meningitis?
vanc + 3rd gen cephalosporin
HOw empirically tx >50 y.o w. meningitis?
vanc + 3rd gen ceph + ampicillin. If immunocomp use cefepime instead of 3rd gen cephalo
What is INR goal of anticoag after unprovoked DVT?
want 2.0-3.0 for 6-12 mo if unprovoked
What is INR goal in pt w/ mechanical valve?
2.5-3.5
Lab findings with tumor lysis syndrome?
incrsd uric acid, incrsd PO4 and K, dcrsd Ca
Most common cause of hyperPTH?
80% due to parathyroid adenoma
Other effects of hyperPTH?
htn, arrhythmias, ventric hypertrophy, vascular/ valvular calcificiation
Causes of exudative pleural effusion?
infxn, malignancy, PE, connective tissue dx, iatrogenic
when do papillary muscle ruptures occur?
classically w/ posteroseptal MIs, can occur rarely w/ anteromedial MIs
SI/sx of Guillan Barre syndrome?
ascending lower extrem weakness, areflexia, can develop respiratory failure
How manage resp failure in GBS?
serial VC measurements, risk for resp failure when VC < 15