title: Electroconvulsive therapy and cardiac pacemakers.
mesh_terms: D001714:Bipolar Disorder / Q000628:therapy*; D004565:Electroconvulsive Therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010138:Pacemaker, Artificial; D014693:Ventricular Fibrillation / Q000517:prevention & control