The drug of choice in digitalis-induced ventricular arrhythmias is

Lignocaine suppresses ventricular arrhythmias. It acts by blocking the sodium channel in the inactivated and active states. It is less toxic and has a rapid onset of action and sho duration of action. It has no action on A-V nodal conduction velocity. 1st DOC is lidocaine, 2nd DOC is phenytoin Lidocaine is class IB antiarrhythmic Ref: Tripati 8th edition