Arrhythmias refractory to the treatment of lignocaine can be treated by: (A) Sotalol, (B) Diltiazem, (C) Amiodarone, (D) Quinidine
Answer is C. Katzung 11e p 241. Amiodarone is an antiarrhythmic medication used to treat and prevent a number of types of irregular heabeats. This includes ventricular tachycardia, ventricular fibrillation, and wide complex tachycardia, as well as atrial fibrillation and paroxysmal supraventricular tachycardia.