<prompt> A new born presents with deepening cyanosis at bih, with congestive hea failure and normal first hea sound. X-ray reveals cardiomegaly diagnosis is ___Tetralogy of fallotsEbstein anomallyTransposition of great vesselsTricuspid atresia  <response>: In TOF hea will be normal in size. In ebstein anomaly first hea sound is split. Ref : Ghai essential of pediatrics, eighth edition, p.no:424 