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Pediatric anaphylaxis — ABEM Board MCQ

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EasyPediatric emergenciesPediatric anaphylaxisABEM Board

A 10-year-old boy arrives minutes after a bee sting with vomiting and trouble breathing. Triage acuity is ESI 1; BP 78/40 mm Hg, HR 150/min, SpO2 89%. He has diffuse wheeze, urticaria, and facial swelling. His epinephrine autoinjector was not used. Which of the following is the most likely diagnosis?

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Correct answer: C — Anaphylaxis

Rapid hypotension, wheeze, vomiting, urticaria, and facial swelling after a sting are diagnostic of anaphylaxis.

Reference: AAP anaphylaxis guidance; AAAAI anaphylaxis guidance