Severe left ventricular wall thinning and extensive fibrosis without evolution to end stage disease in a patient with hypertrophic cardiomyopathy.

The authors report the case of a patient with hypertrophic cardiomyopathy who developed progressive and severe left ventricular wall thinning, as assessed by two-dimensional echocardiography, despite a preserved supranormal ejection fraction and an absence of cardiac symptoms. Extensive fibrosis was identified on cardiovascular magnetic resonance.