Classification of CHD. Cyanotic Heart Disease. Acyanotic Heart Disease. Decreased pulmonary flow (more common than increased flow): there will be right to left shunt and blue blood will go to the systemic circulation. Tetralogy of Fallot. Tricuspid atresia. Other univentricular heart with pulmonary stenosis. Increased pulmonary flow: Transposition of great arteries. Total anomalous pulmonary venous return. Left – Right shunt lesions: Ventricular septal defect. Atrial Septal Defect. Atrio-ventricular Septal Defect. Patent Ductus Arteriosus. Obstructive lesions: Aortic stenosis. Pulmonary valve stenosis. Coarctation of Aorta.
