Procainamide toxicity.
D006801:Humans; D008177:Lupus Vulgaris / Q000139:chemically induced*; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000188:drug therapy; D011342:Procainamide / Q000009:adverse effects*; D011802:Quinidine / Q000627:therapeutic use
D011802:Quinidine; D011342:Procainamide