<prompt> A 2-month-old baby with central cyanosis presented with the following findings on chest X-ray ECG. What is the most probable underlying diagnosis?Tetralogy of FallotHypoplastic left hea syndromeCoarctation of aoaEbstein anomaly  <response>: - Given ECG is showing Himalayan P waves x-ray is showing Box shaped hea - features of Ebstein anomaly. EBSTEIN ANOMALY: - Downward displacement of posterior septal leaflets of Tricuspid valve resulting in atrialization of right ventricle. - Huge cardiomegaly, especially of Rt atrium is seen - ECG : very tall broad P waves seen dt enlarged atria. These P waves look like a mountain; hence called Himalayan p waves 