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Kawasaki disease — RCPSC EM MCQ

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ModeratePaediatric emergenciesKawasaki diseaseRCPSC EM

A 3-year-old has 6 days of fever, conjunctival injection, cracked lips, swollen hands, and a polymorphous rash. CRP is elevated and echocardiography is not immediately available. What is the most likely diagnosis?

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Correct answer: C — Kawasaki disease

Fever for at least 5 days plus mucocutaneous features is classic for Kawasaki disease. Treatment with IVIG and aspirin should be arranged promptly to reduce coronary complications.

Reference: Canadian Paediatric Society Kawasaki disease guidance