Adult Congenital Heart Disease Program Our Adult Congenital Heart Disease Program team treats many repaired and unrepaired congenital defects, including: Atrial Septal Defect (ASD) Atrioventricular (AV) Canal Defect Coarctation of the Aorta (COA) Congenital Valve Defects Tetralogy of Fallot (TOF) Transposition of the Great Arteries (TGA) Truncus Arteriosus (TA) Ventricular Septal Defect (VSD)