Class IA antiarrhythmic (Na+ K+ blocker)?
Quinidine, procainamide, disopyramide
Quinidine?
Class IA antiarrhythmic
Quinidine is a?
Na+ blocker
Quinidine exerts its action on heart by inhibiting?
Na+ channel
Quinidine?
Decreases automaticity in heart
Sotalol?
Quinidine is contraindicated in?
Bifascicular block, acute carditis, thyrotoxicosis
Effective refractory period is prolonged by?
Propanolol, Verapamil, Lignocaine
Procainamide?
Class I antiarrhythmic
Mexiletine?
Class IB antiarrhythmic