Dilated cardiomyopathy overview
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-in-Chief: Sachin Shah, M.D.
Overview
Dilated cardiomyopathy is a condition of the heart that causes dilation and impaired contraction of the left ventricle (or both ventricles). Impaired contraction is defined as a low ejection fraction (< 40%).