<prompt> 7 day old baby presented in emergency department with unconsciousness, cyanosis and 85 oxygen saturation. The diagnosis a Tetralogy of fallotb TGAc TAPVCd PDAabcacad  <response>: This child has cyanosis at birth within 7 days.Congenital heart diseases which present with cyanosis at birth are : TGA, TAPVR, Tricuspid atresia, pulmonary atresia, Ebstein anomaly.In TOF cyanosis usually presents after neonatal period after 28 days. 