title: The utility of the programmable pacemaker.
mesh_terms: D011211:Electric Power Supplies; D004582:Electronics, Medical / Q000295:instrumentation*; D004594:Electrophysiology; D006801:Humans; D008094:Lithium; D009206:Myocardium / Q000378:metabolism; D010101:Oxygen Consumption; D010138:Pacemaker, Artificial / Q000592:standards
chemical_list: D008094:Lithium