the effectiveness of three new antiarrhythmic drugs , aprindine , mexiletine and tocainide in elevating ventricular fibrillation threshold measured in the langendorff-perfused rabbit heart and in protecting against ouabain-induced arrhythmias in the langendorff-perfused guinea-pig heart has been compared with that of lignocaine .
C0003811
arrhythmias
C0023660
lignocaine