OBSERVATIONS IN PATIENTS WITH IMPLANTED CARDIAC PACEMAKER. I. CLINICAL EXPERIENCE.
D001919:Bradycardia; D006327:Heart Block; D006333:Heart Failure; D006801:Humans; D010138:Pacemaker, Artificial; D013575:Syncope; D014693:Ventricular Fibrillation
BRADYCARDIA; HEART BLOCK; HEART FAILURE, CONGESTIVE; PACEMAKER, ARTIFICIAL; SYNCOPE; VENTRICULAR FIBRILLATION