cardiac electrophysiologic effects of pk 10139 ( pk ) , a new quinoleic antiarrhythmic agent , were compared with those of quinidine sulphate ( q ) after three cumulative intravenous doses of 0.75 , 1.5 , and 3 mg/kg of pk and 5 , 10 , and 20 mg/kg of q in anesthetized dogs .
C0003195
antiarrhythmic agent
C0034415
quinidine sulphate