Which one of the following does not produce cyanosis in the first year of life?: (A) Atrial septal defect, (B) Hypoplastic left heart syndrome, (C) Truncus arteriosus, (D) Double outlet right ventricle
Answer is A. a. Atrial septal defect(Ref: Nelson's 20/e p 2189, Ghai 8/e p 413)Apart from ASD, rest of the 3 heart diseases are cyanotic heart diseases.