5 Dilated Cardiomyopathy 5 Dilated Cardiomyopathy 5.1. Role of echocardiography 5.2 Definition of dilated cardiomyopathy 5.3 Etiology of dilated cardiomyopathy 5.4 Echocardiographic features of dilated cardiomyopathy ‹ 4.7 Summary Up 5.1. Role of echocardiography ›