we concluded that procainamide was more effective than lidocaine for the prevention of potential life-threatening vt induction in post myocardial infarction patients , although its efficacy was considerably limited , and to confirm the effectiveness and exclude the worsening effects of the class ia and ib antiarrhythmic agents , drug testing using programmed ventricular stimulation appeared to be valuable .
C0033216
procainamide
C0003195
antiarrhythmic agents