ventricular tachyarrhythmia induction was facilitated during infusion of isoproterenol in 21 of 60 patients with ventricular tachycardia ( vt ) or ventricular fibrillation ( vf ) in whom programmed electrical stimulation alone failed to reproducibly induce sustained ventricular tachyarrhythmias .
C0022245
isoproterenol
C0042510
ventricular fibrillation