propafenone ( mean effect 4.1 ) was much more effective than quinidine ( mean effect 2.4 ) in treating 8 cases of idiopathic benign ventricular tachycardia and even more successful in treating 13 cases of more severe arrhythmias in diseased hearts ( propafenone 's mean effect 4.1 , quinidine 's mean effect 1.9 and amiodarone 's mean effect 1.9 ) .
C0003811
arrhythmias
C0002598
amiodarone 's