the efficacy of verapamil and disopyramide phosphate for the termination and prevention of paroxysmal supraventricular tachycardia ( psvt ) were studied electrophysiologically in 32 patients with inducible sustained psvt ( 17 patients received verapamil , 15 patients received disopyramide ) .
C0700534
disopyramide phosphate
C0012702
disopyramide