Demand pacemaker arrhythmias from intermittent internal short circuit in bipolar electrode.
D000368:Aged; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D006328:Cardiac Catheterization / Q000009:adverse effects; D004562:Electrocardiography; D004567:Electrodes, Implanted / Q000009:adverse effects; D005260:Female; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*