Atrial Fibrillation Update Questions

Question 1

Which of the following drugs would be the most appropriate choice for rate control in a 69 year old woman with atrial fibrillation and asthma?

A) A dihydropyrdine calcium channel blocker
B) A beta blocker
C) A nondihydropyridine calcium channel blocker
D) Amiodarone

Answer 1

C - diltiazem and verapamil are preferred over beta blockers for rate control in patients with asthma because beta blockers can precipitate bronchoconstriction and bronchospasm

Question 2

The treatment of choice for an urgent conversion of symptomatic unstable atrial fibrillation is:

A) IV magnesium sulfate
B) IV amiodarone
C) IV digoxin
D) DC cardioversion

Answer 2

D

Question 3

The most effective antiarrhythmic drug for maintenance of sinus rhythm is:

A) Amiodarone
B) Propafenone
C) Dronedarone
D) Sotalol

Answer 3

A