<prompt> All of the following are used in atrial arrhythmia EXCEPT -DigoxinVerapamilQuinidineLignocaine  <response>: Ans. is d i.e., Lignocaine o Lignocaine is used primarily for ventricular arrhythmias. Antiarrhythmics Class I A Quinidine, Procainamide, Disopyramide, Moricizine Class 1 B Lidocaine, mexiletine, Phenytoin Class IC Propofenon, flecanide, encanide Class II Beta blockers Class III Amiodarone, bretylium, Ibutilide, dofetilide Class IV calcium channel blockers Miscellaneous Digoxin Adenosine Both ventricular and suproventricular atrial Ventricular Both ventricular and suproventicular atrial Both ventricular and supraventricular atrial Both ventricular and supraventricular atrial Supraventricular atrial Supraventricular atrial Supraventricular atrial 