Kawasaki disease — RACP Paediatrics MCQ

Instant feedback + full explanation. One question, done properly.

EasyCardiologyKawasaki diseaseRACP Paediatrics

A 5-year-old child has had 5 days of fever and now meets criteria for Kawasaki disease. IVIg is planned. What is the most important investigation to perform at diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: B — Transthoracic echocardiogram

Transthoracic echocardiography is essential at diagnosis of Kawasaki disease to assess for coronary artery involvement and establish a baseline. Per the RCH Melbourne KD CPG (updated to reflect AHA 2024 guidelines), coronary artery Z-scores should be calculated. Repeat echocardiography is recommended at 2 and 6-8 weeks.

Reference: RCH Melbourne – 2024 – Kawasaki Disease CPG; AHA – 2024 – Kawasaki Disease Scientific Statement