7 day old baby presented in emergency department with unconsciousness, cyanosis and 85% oxygen saturation. The diagnosis – a) Tetralogy of fallotb) TGAc) TAPVCd) PDA

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).