quinidine gluconate/quinidine polygalacturonate/quinidine sul-fate

quinidine gluconate/quinidine polygalacturonate/quinidine sul-fate (kwin´idēn, -din),

n brand names: Cardioquin, CinQuin, Duraquin, Quinidex Extentabs, Quinora;
drug class: antidysrhythmic (class IA);
action: prolongs effective refractory period; decreases myocardial excitability, conduction velocity, and contractility;
uses: premature ventricular contractions, atrial flutter and fibrillation, paroxysmal atrial tachycardia, ventricular tachycardia.
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