Cardiomyopathy, Dilated, 2b, also known as dilated cardiomyopathy 2b, is related to cardiomyopathy, dilated, 1a. An important gene associated with Cardiomyopathy, Dilated, 2b is GATAD1 (GATA Zinc Finger Domain Containing 1). Affiliated tissues include heart, and related phenotypes are congestive heart failure and dilated cardiomyopathy