Myocarditis CMR Findings — RACP Adult Medicine MCQ

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ModerateCardiologyMyocarditis CMR FindingsRACP Adult Medicine

A 45-year-old man presents with ST elevation V1–V3 and elevated troponin. Normal coronaries. CMR shows subepicardial/mid-wall LGE with T2 oedema in lateral wall. Diagnosis?

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Correct answer: A — Acute myocarditis

Subepicardial/mid-wall LGE pattern with oedema = myocarditis (Lake Louise criteria). Subendocardial LGE = ischaemic injury.

Reference: eTG – 2025 – Cardiovascular; ESC – 2023