title: Pervenous atrial electrode.
mesh_terms: D000328:Adult; D000368:Aged; D001919:Bradycardia / Q000628:therapy*; D004562:Electrocardiography; D004567:Electrodes, Implanted; D005260:Female; D005500:Follow-Up Studies; D006325:Heart Atria; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial