Tachy-brady syndrome following open heart surgery.
D000293:Adolescent; D001919:Bradycardia / Q000209:etiology*; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial; D011183:Postoperative Complications; D013610:Tachycardia / Q000209:etiology*