Cardiomyopathy, Familial Hypertrophic, 26, also known as hypertrophic cardiomyopathy 26, is related to myopathy, myofibrillar, 1 and arrhythmogenic right ventricular dysplasia, familial, 11. An important gene associated with Cardiomyopathy, Familial Hypertrophic, 26 is FLNC (Filamin C). Affiliated tissues include heart and heart-ventricle, and related phenotypes are mitral regurgitation and congestive heart failure