the effects of procainamide and lidocaine , representative of class ia and ib antiarrhythmic agents , on electrically inducible ventricular tachycardia ( vt ) were studied using programmed ventricular stimulation in 47 post myocardial infarction patients at an average of 1.5 months after the onset .
C0023660
lidocaine
C0003195
antiarrhythmic agents