<prompt> A child comes with cyanotic spells and chest X-ray was as shown below; What is the most probable diagnosis?Tetralogy of FallotTricuspid atresiaPulmonary atresia with intact ventricular septumTAPVC  <response>: a. Tetralogy of FallotRef: Nelsons 20e p 2211-2217,, Ghai 8e p 420-423The given history along with chest X-ray finding of Boot shaped heart suggests a diagnosis of Tetralogy of Fallot. 