[Clinical usefulness of the telemetry system on the DDD pacemaker].
D000368:Aged; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial; D013686:Telemetry