Pediatrics A blue new born presents with cyanosis. The X–ray chest reveal oligaemic lung field and normal sized heart. Most likely diagnosis is – A Ebstein's anomaly B Pulmonary atresia C Transposition of great arteries D Tetralogy of fallot 💡 Explanation A blue new born presents with cyanosis. The X–ray chest reveal oligaemic lung field and normal sized heart. Most likely diagnosis is – ✓ Correct Answer: B. Pulmonary atresia