Suspected Endomyocardial Fibrosis With Extensive Left Ventricular Thrombus: A Diagnostic Dilemma
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Updated: Nov 5, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
Published on: June 11, 2019
Suria Mano Geran1,2, Safiyyah Burhani1, Shalu Sharma1
1Cardiology, Queen's Hospital, Romford, GBR.
Abstract:
We report a case of a 64-year-old man with biventricular dysfunction and a large left ventricular (LV) thrombus in whom endomyocardial fibrosis (EMF) was suspected. Despite extensive evaluation for eosinophilic, autoimmune, infective, and haematological causes, no secondary aetiology was identified. He was managed with guideline-directed heart failure therapy and anticoagulation. His condition progressively deteriorated, and he died within a year, highlighting the diagnostic challenge of suspected EMF when characteristic imaging findings coexist with atypical features and definitive histological confirmation cannot be obtained, as well as the therapeutic challenges of this rare cardiomyopathy.
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