Arrhythmias

Question 1

Class II drugs category

Answer 1

beta-blockers

Question 2

Class I drugs category

Answer 2

Na-channel blockers

Question 3

Class III drugs category

Answer 3

K-channel blockers

Question 4

Class IV drugs category

Answer 4

calcium channel blockers, non-DHP

Question 5

Class Ia drugs

Answer 5

Disopyramide, quinidine, procainamide

Question 6

Class IIa drugs

Answer 6

lidocaine, mexiletine

Question 7

Class IIIa drugs

Answer 7

flecanide, propafenone

Question 8

Class III drugs

Answer 8

dronedarone, dofetilide, sotalol, ibutilide, amiodarone

Question 9

Class IV drugs

Answer 9

verapamil, diltiazem

Question 10

Goal resting HR in patients with symptomatic AF

Answer 10

<80 BPM, but can be <110 in patients who are asymptomatic and have preserved LV function

Question 11

Meds used for pharmacological cardioversion

Answer 11

The Class III drugs (dronedarone, amiodarone, sotalol, ibutilide, dofetilide

Question 12

Meds used for maintenance of NSR

Answer 12

dofetilide, dronedarone, flecainide, propafenone, sotalol

Question 13

Amiodarone and NSR maintenance

Answer 13

Last-line option because of all of the toxicities

Question 14

What to do before cardioverson

Answer 14

Be on an anticoagulant for at least 3 weeks prior to the procedure