title: ELECTROCARDIOGRAPHIC STUDIES IN PATIENTS WITH AN ARTIFICIAL PACEMAKER.
mesh_terms: D001794:Blood Pressure; D001810:Blood Volume; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008660:Metabolism; D010138:Pacemaker, Artificial; D005082:Physical Exertion; D011674:Pulse; D012146:Rest
keywords: BLOOD PRESSURE; BLOOD VOLUME; ELECTROCARDIOGRAPHY; EXERTION; HEART CATHETERIZATION; HEART RATE; METABOLISM; PACEMAKER, ARTIFICIAL; PULSE; REST