Tetralogy of Fallot with left superior vena cava and coronary sinus atrial septal defect: a rare association.

This report describes a rare case of Tetralogy of Fallot with associated left superior vena cava and coronary sinus atrial septal defect. The initial diagnosis was made by echocardiography. The patient underwent complete repair at 2 months of age. Her postoperative course was complicated by low cardiac output requiring ECMO. She was subsequently weaned off of ECMO and discharged home. She continues to do well on serial follow-up.