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Kawasaki disease — RACP Paediatrics MCQ

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ModerateCardiologyKawasaki diseaseRACP Paediatrics

A 3-year-old has had six days of fever, bilateral non-purulent conjunctivitis, cracked lips, swollen hands and a polymorphous rash. CRP and platelets are elevated, and there is no clear infective focus. What is the most likely diagnosis?

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Correct answer: E — Kawasaki disease

Kawasaki disease is likely with fever for at least five days plus conjunctivitis, mucosal change, extremity change and rash. Adenovirus can mimic conjunctivitis and fever but does not usually produce the full vasculitic pattern with hand swelling. Early recognition matters because IVIG reduces coronary artery complications.

Reference: RCH Kawasaki disease guideline; RACP Knowledge Guides