cardio

Question 1

MC tumor of the heart

Answer 1

metastasis from a different location

Question 2

MC primary tumor in adults

Answer 2

atrial myxoma (especially the left atrium)

Question 3

MC primary tumor in children

Answer 3

rhabdomyoma (associated with tubulosclerosis)

Question 4

complications of atrial myxoma

Answer 4

mitral valve obstruction (syncopal episodes), embolism (usually to the cerebral arteries)

Question 5

histology of atrial myxoma

Answer 5

amorphous extracellular matrix

Question 6

how do you treat polyarteritis nodosum

Answer 6

cyclophosmaide or corticosteroids

Question 7

what vessels does polyarteritis nodosum typically effect

Answer 7

visceral: GI (hematochezia and abdominal pain) and renal vessels (hematuria)

Question 8

polyarteritis disease associations

Answer 8

acute hep B

Question 9

tx for v. fib

Answer 9

must defibrillate and preform CPR with amiodarone

Question 10

patients are at risk of which arrhythmia in the first 24 hrs following an MI

Answer 10

v. fib

Question 11

v. fib on ekg

Answer 11

erratic rhythm with no identifiable waves

Question 12

effect of amiodarone on AP

Answer 12

prolongs action potential by prolonging repolarization