Table Classification of Congenital Heart Anomalies * Classification Examples Cyanotic — Tetralogy of Fallot Transposition of the great arteries Tricuspid atresia Pulmonary atresia Persistent truncus arteriosus Total anomalous pulmonary venous return Acyanotic Left-to-right shunt Ventricular septal defect Atrial septal defect Patent ductus arteriosus Atrioventricular septal defect Obstructive Pulmonic stenosis Aortic stenosis Aortic coarctation Hypoplastic left heart syndrome (often also manifests with cyanosis, which may be mild) * In approximate decreasing order of frequency.