title: Displacement and fracture of pacemaker electrode during physical exertion. Report on three cases.
mesh_terms: D000203:Activities of Daily Living; D000368:Aged; D004566:Electrodes; D004567:Electrodes, Implanted; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D005082:Physical Exertion