twenty-eight anesthetized mongrel dogs were studied 2 to 74 months after experimental myocardial infarction in order to examine the effects of procainamide , lidocaine and acetylstrophanthidin on conduction within the infarcted region and the way such effects relate to changes in body surface potentials and antiarrhythmic efficacy .
C0023660
lidocaine
C0003195
antiarrhythmic