<prompt> The drug of choice in digitalis induced ventricular arrhythmias is:I.V. LignocainePhenytoinQuinidineProcainamide  <response>: IV Lignocaine: Ref: 463-KDT 514-KDT 6thTreatment of digitalis induced ventricular arrhythmias Lignocaine IV repeated as required is the drug of choice. It suppresses the excessive automaticity but does not accentuate A V block Phenytoin is also useful but not preffered now sudden death occurs Quinidine and procainamide are contraindicated. 