Study investigates the prevalence risk of familial dilated cardiomyopathy
 

Idiopathic dilated cardiomyopathy (DCM), the most common type of heart failure in the United States, was found to have a familial etiology in 30 percent of individuals diagnosed with DCM, and the overall risk for a family member of developing DCM was nearly 20 percent by the age of 80, according to a family-based, cross-sectional study published in JAMA.

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