Q:

A child playing with toys suddenly develops breathlessness and stridor. Which investigation will lead to the diagnosis?

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A child playing with toys suddenly develops breathlessness and stridor. Which investigation will lead to the diagnosis?


  1. Laryngoscopy
  2. CXR
  3. Peak flow meter
  4. ABG

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The key is A. Laryngoscopy. [Breathlessness and stridor in a child playing with toy is most likely due to aspiration of foreign body (toy or part of toy) for which laryngoscopy should be done].

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