[Follow-up observations after implantation of a cardiac pacemaker].
D003964:Diaphragm / Q000503:physiopathology; D004558:Electric Stimulation; D005500:Follow-Up Studies; D006333:Heart Failure / Q000209:etiology; D006801:Humans; D008280:Magnetics; D010138:Pacemaker, Artificial / Q000009:adverse effects*