Permanent pervenous atrial pacing from the coronary vein.
D000368:Aged; D001146:Arrhythmia, Sinus / Q000628:therapy; D001919:Bradycardia / Q000628:therapy*; D003331:Coronary Vessels; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial; D013610:Tachycardia / Q000628:therapy*