Q: All of the following drugs if given as pretreatment increases the chance of atrial fibrillation conversion to normal sinus rhythm except? 

A) Aamiodarone
B) Flecainide
C) Sotalol
D) Digoxin
E) Ibutilide



Answer:  D 

Pretreatment with amiodarone, flecainide, propafenone, ibutilide, or sotalol enhances success and prevent recurrent atrial fibrillation.