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Meconium Aspiration Syndrome — RACP Paediatrics MCQ

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ModerateNeonatologyMeconium Aspiration SyndromeRACP Paediatrics

A term neonate develops respiratory distress immediately after birth. He was born through thick meconium-stained liquor with Apgar scores of 4 and 7. CXR shows bilateral coarse infiltrates with areas of hyperinflation and atelectasis. What is the diagnosis?

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Correct answer: C — Meconium aspiration syndrome

MAS presents with respiratory distress in a meconium-stained neonate. CXR shows bilateral coarse patchy infiltrates with hyperinflation and atelectasis. Complications include air leak, PPHN, and secondary infection. Management includes respiratory support (may need HFOV or iNO for PPHN), surfactant, and antibiotics.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Meconium Aspiration Syndrome