title: Pacemaker failure due to procainamide toxicity.
mesh_terms: D000368:Aged; D001639:Bicarbonates / Q000627:therapeutic use; D006328:Cardiac Catheterization; D004562:Electrocardiography; D004594:Electrophysiology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007773:Lactates / Q000627:therapeutic use; D008297:Male; D010138:Pacemaker, Artificial; D011342:Procainamide / Q000097:blood / Q000506:poisoning* / Q000627:therapeutic use; D013610:Tachycardia / Q000517:prevention & control / Q000628:therapy; D013997:Time Factors
chemical_list: D001639:Bicarbonates; D007773:Lactates; D011342:Procainamide