of patients presenting with sustained ventricular tachycardia , 89 % ( 81 of 91 ) had inducible ventricular arrhythmias compared with 61 ( 40 of 66 ) and 66 % ( 69 of 104 ) of patients with nonsustained ventricular tachycardia and ventricular fibrillation , respectively .
C0085612
ventricular
C0042510
ventricular fibrillation