ventricular arrhythmias induced during the basal study were : repetitive ventricular responses ( rvr ) ( 11/22 , 50 % ) , nonsustained ventricular tachycardia ( vt ) ( 3/22 , 14 % ) , sustained vt ( 7/22 , 32 % ) and ventricular fibrillation ( vf ) ( 1/22 , 4 % ) .
C0085612
ventricular arrhythmias
C0042510
ventricular fibrillation