title: Late-onset refractory ventricular dysrhythmias after myocardial infarction.
mesh_terms: D000328:Adult; D000368:Aged; D001026:Coronary Artery Bypass; D004554:Electric Countershock; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications*; D011342:Procainamide / Q000627:therapeutic use; D013610:Tachycardia / Q000209:etiology* / Q000628:therapy; D014693:Ventricular Fibrillation / Q000209:etiology* / Q000628:therapy
chemical_list: D011342:Procainamide