a comparison of the two isomers of oxprenolol demonstrated that the ( - ) -isomer markedly suppressed ischaemic arrhythmias ( ventricular ectopic beats , incidence and duration of ventricular tachycardia and duration of ventricular fibrillation ) more effectively than the ( + ) -isomer .
C0003811
arrhythmias
C0042510
ventricular fibrillation