title: Hypokalemia and pacemaker failure.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D007008:Hypokalemia / Q000150:complications* / Q000188:drug therapy; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D011189:Potassium Chloride / Q000627:therapeutic use; D014882:Water-Electrolyte Balance
chemical_list: D011189:Potassium Chloride