<s>[INST] context: - The given X ray shows cardiac shadow occupying almost entire hemithorax, giving rise to a 'BOX SHAPED' hea which is a feature of Ebstein's anomaly - EBSTEIN ANOMALY: It is d/t downward displacement of posterior & septal leaflets of tricuspid valve resulting in atrialization of right ventricle Huge cardiomegaly is seen especially right atrium ECG - shows Himalayan P waves - PPHN: Aka Persistent pulmonary hypeension in newborn Failure of normal circulatory transition that occurs after bih resulting in hypoxemia. - TTNB: Aka Transient Tachypnea of New Born MCC of respiratory distress in a term neonate BASIC DEFECT - Delayed clearance of lung fluids RISK FACTOR - Delivery by cesarean section X-ray shows - Fluid in interlobar fissure , Pleural effusion , Perihilar streaking -TOF: MC congenital cyanotic hea disease in children 4 COMPONENTS: 1. Large, unrestricted VSD 2. Pulmonary infundibular stenosis 3. Overriding of aoa 4. Right ventricular hyperophy X-ray shows --> Boot shaped hea / coeur en sabot [/INST] question: The following X - ray shows:- | options: A: PPHN B: Ebstein anomaly C: TOF D: TTNB | answer: B </s>