Lignocaine is useful for the treatment of :: (A) Atrial fibrillation, (B) Paroxysmal supraventricular tachycardia, (C) Digitalis induced ventricular extrasystoles, (D) All of the above
Answer is C. (Ref: KDT 6/e p502) Lignocaine is used only for the treatment of ventricular arrhythmias, it has no role in atrial arrhythmia.