uworld6

Question 1

preventative medicine for thromboembolic events from acute arterial occlusion due to afib

Answer 1

anticoagulation- warfarin or factor x inhibitors

Question 2

timeline of reinfarction post-MI

Answer 2

hours-2days

Question 3

timeline of ventricular septal rupture post MI

Answer 3

hours-1 week

Question 4

timeline of free wall rupture post MI

Answer 4

hours- 2 weeks

Question 5

timeline of postinfarct angina post MI

Answer 5

hours- 1 month

Question 6

timeline of papillary muscle rupture post MI

Answer 6

2 days-1 week

Question 7

timeline of pericarditis post MI

Answer 7

acute- days

dressler- weeks-months

Question 8

timeline of LV aneurysm post MI

Answer 8

5 days-3 months

Question 9

EKG of LV aneursym

Answer 9

persistent ST elevation

deep q waves

Question 10

why does lV aneurysm occur post MI?

Answer 10

scarred fibrotic myocardium

Question 11

is ferritin increased in acute liver dz?

Answer 11

yes!

Question 12

what is most common arrhythmia responsible for sudden cardiac arrest in setting of acute MI? and what is the mechanism

Answer 12

v fib

mechanism: reentry

Question 13

signs of pericarditis

Answer 13

volume overload- JVP, edema

Kussmaul’s sign

pericardial knock

Question 14

pericarditis findings on CXR and central venous tracing

Answer 14

CXR: pericardial calcifications

central venous tracing: sharp x and y descents

Question 15

kussmauls sign

Answer 15

lack of typical inspiratory decline in CVP

Question 16

pericardial knock

Answer 16

early heart sound after S2

Question 17

most common cause of pericarditis in US vs developing countries

Answer 17

US: idiopathic, viral

dev: TB

Question 18

do you always treat hyperkalemia with calcium gluconate?

Answer 18

only if abnl EKG

Question 19

when do signs of fat embolism occur after accident?

Answer 19

at least 12-24 hours after

Question 20

how do nitrates relieve angina?

Answer 20

systemic vasodialtion –>

reduce preload and LV EDV– reduces O2 demand

Question 21

what exam is this and what is testing: place steoscope over upper abdomen and rock patients hips back and forth

Answer 21

abdominal succussion splash

tests gastric outlet obstruction (retained material will create a splash sound)

Question 22

management of acute mod-severe COPD exacerbation

Answer 22

supp O2
bronchodilators
systemic glucocorticoids
antibiotics

Question 23

PCI is indicated when in setting of STEMI

Answer 23

within 12 hrs of symptoms onset
AND
within 90 min from first medical contact to device time at PCI facility

Question 24

digoxin toxicity presentation

Answer 24

N/V, diarrhea, vision changes, arrhythmias

Question 25

what bug causes AV block

Answer 25

lyme

Question 26

does diuretic use cause hypo or hypernatremia?

Answer 26

hyponatremia- salt wasting