Objective To investigate the ventricular wall motion rule of the patients (pts) with dilated cardiomyopathy (DCM) and ischemic cardiomyopathy (ICM) by dobutamine stress echocardiography (DSE).

• 目的观察扩张型心肌病(DCM)及缺血性心肌病(ICM)患者在多巴酚丁胺负荷超声心动图(DSE)中的室壁运动规律。