great cardiac vein retroinfusion of procainamide was significantly ( p less than 0.05 ) more effective than systemic intravenous injection against spontaneous ventricular tachycardia 1 day after coronary artery occlusion ( 13 dogs ) and against electrically induced sustained ventricular tachycardia in the 3 to 12 day postocclusion period ( 9 dogs ) .
C0033216
procainamide
C0042514
ventricular tachycardia