Cardiomyopathy, Dilated, 1bb, also known as dilated cardiomyopathy 1bb, is related to cardiomyopathy, dilated, 1a and arrhythmogenic right ventricular dysplasia, familial, 10. An important gene associated with Cardiomyopathy, Dilated, 1bb is DSG2 (Desmoglein 2). Affiliated tissues include heart and heart-ventricle, and related phenotypes are congestive heart failure and dilated cardiomyopathy