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Myocarditis — RACP Paediatrics MCQ

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HardCardiologyMyocarditisRACP Paediatrics

A 10-year-old with suspected myocarditis has increasing work of breathing, cool peripheries, lactate 4.8 mmol/L, ventricular ectopy and severe left-ventricular dysfunction. Blood pressure remains just within the age-adjusted normal range. Which disposition is most appropriate?

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

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Correct answer: BEscalate to paediatric intensive care and specialist cardiac support now

Explanation lettering: B = shown as A · E = shown as B · A = shown as C · C = shown as D · D = shown as E

E is correct. Hypoperfusion, lactate elevation, ventricular ectopy and severe dysfunction indicate evolving cardiogenic shock despite a preserved numeric blood pressure; intensive-care and cardiology support, including mechanical-support planning, are time critical. A risks worsening pulmonary oedema. B biomarker direction does not override instability. C and D under-triage a child at risk of malignant arrhythmia and circulatory collapse.

Reference: RCH Melbourne, Chest pain: https://www.rch.org.au/clinicalguide/guideline_index/Chest_Pain/