Suppression of demand pacemakers by inactive pacemaker electrodes.
D000368:Aged; D004562:Electrocardiography; D004567:Electrodes, Implanted; D006327:Heart Block / Q000628:therapy; D006333:Heart Failure / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*