[A case of a runaway pacemaker six years after implantation].
D004567:Electrodes, Implanted / Q000009:adverse effects; D004868:Equipment Failure; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013997:Time Factors