CTICasesInherited Cardiomyopathy
Imaging findings
Cardiac MRI shows severe left ventricular hypertrophy and extensive, diffuse, predominantly subepicardial late gadolinium enhancement (LGE) that is nearly circumferential, with transmural involvement of the lateral wall. Coronary arteries are normal.
Key takeaways
Inherited cardiomyopathies (such as mitochondrial deficiencies or other genetic metabolic disorders) can present with recurrent chest pain, marked troponin elevation mimicking myocardial infarction, and extensive non-ischemic subepicardial late gadolinium enhancement.
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