In the following stage,it shows expansions of LV(Left Ventricle),the abnormal manifestation of myocardial echo on UCG the rate of detection is 81%in DCM group and decreases in LVDF and LVSF (Left Ventricular Systolic Function).

• 中后期表现为左室扩大、心肌回声异常 (DCM组检出率为81%25 )及动度减低、LVDF和左室收缩功能 (LVSF)同时受损。