Class III antiarrhythmic drug among the following is:: (A) vernakalant, (B) Phenytoin, (C) Propafenone, (D) Pindolol
Answer is A. Phenytoin is class IB, propafenone is class IC, pindolol is class II. class 3 - Amiodarone Sotalol Ibutilide Dofetilide Dronedarone Vernakalant REF.Essentials of Medical Pharmacology KD Tripathi 8th ed.