antiarrhythmic property of a new adrenergic beta-blocking agent , dl-1- ( tert.butylamino ) -3 [ ( 2-propinyloxy ) phenoxy ] -2-propanol hydrochloride ( ko 1400-cl ) was studied , using 1 ) ouabain-induced arrhythmia in the guinea pig , 2 ) aconitine-induced arrhythmia in the rat , 3 ) arrhythmia induced by two-step ligation of coronary artery ( harris 's method ) in the dog and 4 ) halothane-adrenaline arrhythmia in the dog and was compared with those of propranolol , oxprenolol , procainamide and ajmaline .
C0003195
antiarrhythmic
C0033216
procainamide