Impaired Atrioventricular Conduction System in a Postoperative Heart With Congenitally Corrected Transposition of the Great Arteries.
BACKGROUND Twin atrioventricular nodes (AVNs) occasionally occur in congenitally corrected transposition of the great arteries (ccTGA). CASE SUMMARY A 14-year-old adolescent girl with ccTGA died suddenly after cardiopulmonary arrest. The electrocardiogram showed QRS widening from age 6. At autopsy, a Rastelli conduit...