title: Runaway pacemaker. A persisting problem.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D004582:Electronics, Medical; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects* / Q000592:standards; D013610:Tachycardia / Q000209:etiology*