Congenital heart disease congenital occurs in 0.5-0.8% of all live births, the etiology is unknown in but genetic factors may play a role also adverse maternal conditions. Congenital heart disease can be classified to: A cyanotic congenital heart disease as atrial septal detect, ventricular septal detect, patent ducts arteriousus, pulmonary stenosis, aortic stenosis and coarctation of the aorta.Cyanotic congenital heart diseases as tetralogy of fallot, pulmonary atresia, tricuspid atresia and transposition of great vessels.