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