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What is A 2 weeks baby with central cyanosis has grade II systolic murmur, normal S1, single S2, plethoric lung. What is the diagnosis? and explain in detail?
a. TGA(Ref: Nelson's 20/e p 2211-2217, Ghai 8/e p 420-423)The given clinical picture suggests a diagnosis of TGA (Transposition of great arteries)In TOF and Pulmonary atresia, pulmonary vascularity is decreasedIn TAPVC, S2 is not single, rather there is a wide fixed split of the 2nd heart sound.