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Class IA antiarrhythmic (Na+ K+ blocker)?
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Quinidine, procainamide, disopyramide

Quinidine?
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Class IA antiarrhythmic

Quinidine is a?
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Na+ blocker

Quinidine exerts its action on heart by inhibiting?
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Na+ channel

Quinidine?
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Decreases automaticity in heart

Sotalol?
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Quinidine is contraindicated in?
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Bifascicular block, acute carditis, thyrotoxicosis

Effective refractory period is prolonged by?
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Propanolol, Verapamil, Lignocaine

Procainamide?
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Class I antiarrhythmic

Mexiletine?
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Class IB antiarrhythmic
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