these effects were satisfactorily maintained in six ( 86 percent ) of seven patients with nonsustained ventricular tachycardia and in 14 ( 88 percent ) of 16 patients with frequent ventricular premature contractions in whom therapy with disopyramide phosphate was continued as a 20 mg/hour intravenous drip infusion for up to 24 hours .
C0151636
ventricular premature contractions
C0700534
disopyramide