AN IMPLANTABLE CARDIAC PACEMAKER ALLOWING RATE CONTROL.
D006348:Cardiac Surgical Procedures; D005853:Geriatrics; D006327:Heart Block; D006339:Heart Rate; D006801:Humans; D010138:Pacemaker, Artificial; D013903:Thoracic Surgery
GERIATRICS; HEART BLOCK; HEART SURGERY; PACEMAKER, ARTIFICIAL