USMLE Flashcards
PSA screening
determined on a case by case basis
What mobitz is a wenchebach
mobitz 1
benign and transient
Long PR interval is a ?
1st degree heart block
PR > 0.20 seconds
Ps and QRS have no relationship
3rd degree heart block
Urine protein excretion of 1 g/ 24 hours
proteinuria
Treatment of severe PCP
tmp-smx and steroids
severe if: PaO2 < 70 or A-a > 35
Rx of toxic megacolon
emergency! IV steroids nasogastric decompression abx fluid management
Increased serum aldosterone results in?
serum alkolosis
Loss of H and loss of K into urine
Splenic sequestration of blood cells common in
cirrhosis
malaria
sickle cell
Cor pulmonale
impaired RV fxn from pulm htn
heart failure with preserved ejection fraction is usually?
due to hypertensive changes
Heart failure from CAD is likely?
systolic dysfunction with decreased LV ejection
antianginal effects of nitro are from?
systemic vasodilation–> ↓ preload –> ↓ wall stress and o2 demand
Ventilation in ARDS
low tidal volume improves mortality in ARDS
Febrile neutropenia needs?
empiric broad spectrum coverage with anti-pseudomonal coverage
Pip-Tazo is good