A child has a barking cough, inspiratory stridor and a 'steeple sign' on neck X-ray. What is the diagnosis?

Answer and explanation

Correct answer: A. Croup

  1. Step 1: Parainfluenza virus causes subglottic swelling with the steeple sign.
Answer
Croup.
Why not the others: Epiglottitis, Foreign body aspiration and Bronchiolitis do not fit this picture as well.

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