we analyzed the results of programmed ventricular stimulation ( pvs ) in 20 patients with mvp and ventricular arrhythmias ( ventricular premature depolarization in 6 , ventricular couplets in 2 , nonsustained ventricular tachycardia [ vt ] in 7 , ventricular fibrillation [ vf ] in 5 ) and in 12 `` '' normal '' '' control subjects .
C0085612
ventricular arrhythmias
C0042510
ventricular