Permanent pervenous atrial pacing.
D000328:Adult; D000368:Aged; D000790:Angiocardiography; D016275:Atrial Function; D006328:Cardiac Catheterization; D005260:Female; D006327:Heart Block / Q000209:etiology; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial