[Clinical spectrum of preclinical hypertrophic cardiomyopathy: characterizing carriers of sarcomere gene mutation].

Abstract excerpt

Hypertrophic cardiomyopathy (HCM) is caused by dominant mutations in sarcomere genes. The diagnosis of HCM is usually established by identifying unexplained left ventricular hypertrophy (LVH) on cardiac imaging studies; however, LVH is not an invariable feature of disease. The expression of LVH is highly age-dependent, and LV wall thickness is frequently normal during childhood. Overt development of hypertrophy,...

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