Procainamide prophylaxis in recurrent ventricular tachycardia due to ischemic heart disease.
D003327:Coronary Disease / Q000150:complications*; D006801:Humans; D008875:Middle Aged; D011342:Procainamide / Q000627:therapeutic use*; D013614:Tachycardia, Paroxysmal / Q000517:prevention & control*