the same or even higher activity compared to quinidine sulfate was found on isolated guinea pig atria ( refractory period prolongation ) , anaesthetized rats ( aconitine induced arrhythmias ) , guinea pigs ( electrically induced cardiac fibrillation ) and in conscious dogs with arrhythmias due to coronary artery occlusion .
C0034415
quinidine sulfate
C0003811
arrhythmias