Laryngomalacia — RACP Paediatrics MCQ

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EasyRespiratoryLaryngomalaciaRACP Paediatrics

A 6-week-old infant presents with a harsh inspiratory stridor that is worse when crying and supine, and improves when prone. Feeding is adequate. What is the most likely diagnosis?

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Correct answer: A — Laryngomalacia

Laryngomalacia is the most common cause of stridor in infants. It presents with inspiratory stridor worsened by crying and supine positioning, improved in prone. Most cases resolve by 12-18 months.

Reference: RCH Melbourne – 2024 – Clinical Practice Guidelines: Stridor in Infants