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Pericarditis — RACP Paediatrics MCQ

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ModerateCardiologyPericarditisRACP Paediatrics

A 12-year-old presents with central chest pain that is worse on lying flat and relieved by sitting forward. He had a viral illness 2 weeks ago. ECG shows widespread ST elevation with PR depression. What is the most likely diagnosis?

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Correct answer: D — Pericarditis

Positional chest pain (worse supine, relieved sitting forward) following a viral illness with widespread concave ST elevation and PR depression on ECG is characteristic of acute pericarditis. Viral pericarditis is the most common cause in children.

Reference: RCH Melbourne – 2023 – Chest Pain CPG; RACP Paediatric Curriculum – Cardiology