Dilated cardiomyopathy may be caused by deficiency of which one of the following.. Selenium Dilated cardiomyopathy may be caused by deficiency of which one of the following: A.A Chromium B.A Magnesium C.A Pyridoxine D.A Molybdenum E.A Selenium*** Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook