title: [Monitoring the operation of pacemakers by Tektronix-Polaroid].
mesh_terms: D004582:Electronics, Medical; D005500:Follow-Up Studies; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008991:Monitoring, Physiologic; D010138:Pacemaker, Artificial; D013997:Time Factors
vernacular_title: Contrôle de marche des pace-makers par Tektronix-Polaroïd.