USMLE World key info Flashcards
mid diastolic rumble suggests what cardiac abnormality
mitral stenosis
how do you treat a patient who had rheumatic fever in year past but was not treated and why do you even treat?
prophylactic antibiotic regimen b/c of high risk of recurrence of RF w/ subsequent strep infections
=IM Penicillin G q4weeks
-for RF w/o carditis duration is 5 years or until age 21 (whichever is longer)
-for RF w/ carditis, but no residual valve disease duration is 10 years or until 21 (whichever is longer)
-for RF w/ persistent heart disease duration is 10 years or until 40 (whichever is longer)
top 3 cardiac diseases associated with Down’s syndrome listed in order of incidence
- complete atrioventricular septal defect (poorly formed AV valves + ASD + VSD)
- VSD
- ASD
5 P’s of limb ischemia
pulselessness, pallor, pain, parasthesias, paralysis (and hyPothermia)
widened pulse pressure and water hammer pulse suggest what valvular abnormality and why do these findings occur?
AR: widened pulse pressure due to open communication between aorta and LV after systole allowing back-leak of a portion of the stroke volume;
water hammer pulse occurs for the same reason, there is a strong SBP, but DBP drops significantly due to retrograde flow of some of the stroke volume
treat Wolf-Parkinson White with ________ and avoid _________ b/c ___________
treat WPW with antiarrhythmics like procainamide and avoid AV nodal blockers like CCB’s, digoxin and adenosine because they enhance accessory pathway conduction by slowing AV node conduction
treatment for infective endocarditis with PCN susceptible strep (2 options)
IV Penicillin G every 4-6 hours OR IV Ceftriaxone qd for 4 weeks
what is a cholesteatoma and how does it present
epithelial tumor of the middle ear that can disrupt the tympanic membrane
presentation: continued ear drainage despite abx and sudden onset of hearing loss; on ear exam a retraction pocket or granulation tissue on the TM may be seen
at what age should you start DEXA screening
do an initial screen for all woman over 65 years of age
T-score more negative than 2.5 is considered osteoporosis
ascites, JVP, LE edema and hepatomegaly in a patient s/p treatment for Hodgkin’s lymphoma should make you think of what etiologic condition
constrictive pericarditis due to radiation Tx resulting in right heart failure (JVP, ascites, peripheral edema, hepatomegaly)
a kid with bulging tympanic membranes and a middle ear effusion should be given what treatment
for acute otitis media 1st line therapy= amoxicillin
2nd line= amox-clavulanate
which 4 medications should be given for mortality benefit after myocardial infarction
beta blockers
statins
ACE-inhibitors
aspirin
what are the guidelines for ASA and clopidogrel after NSTEMI? after PCI?
after NSTEMI: clopidogrel for 12 months, ASA indefinitely
after PCI: clopidogrel for 30 after bare metal and 6-12 months after DES; ASA indefinitely
what hgb is considered anemic in pregnancy
at what age should you assume cryptoorchidism will not spontaneously resolve
if it persists at 6 months move to surgery
surgery should be done before 1 year
how do you treat a hairline fracture of the metatarsal
rest and analgesia (only casting if after time symptoms do not resolve; nonunion is uncommon due to natural splinting of adjacent bones)
nasal obstruction, visible nasal mass and recurrent epistaxis in a peds patients should make you think
juvenile angiofibroma
lifting of the tibial tubercle from the shaft or a break in the tibial tubercle seen on x-ray is suggestive of what condition
Osgood-Schlatter disease (traction apophysitis)
uveitis/conjunctivitis/inflammation of one eye after the other eye has suffered penetrating injury suggests what condition
sympathetic ophthalmia: uncovering of “hidden antigens” in the protected space of the eye leads to autoimmune attack on the other eye
until what age should most women get regular pap smears
until age 65
what is the drug of choice to treat malignant otitis externa
IV cipro (covers pseudomonas)
what is the age range and screening interval for breast cancer screening
ages 40-75, every 2 years