Prophylactic procainamide.
D001145:Arrhythmias, Cardiac / Q000517:prevention & control; D003365:Costs and Cost Analysis; D006801:Humans; D009203:Myocardial Infarction / Q000188:drug therapy; D011342:Procainamide / Q000009:adverse effects / Q000097:blood / Q000627:therapeutic use*
D011342:Procainamide