Objective: Doppler Tissue Imaging (DTI) was used to measure the local wall velocity of CHD patients and normal individuals, and to testify if DTI can reflect systolic and diastolic function change of location wall. Methods: Thirty-six CHD patients identified by coronary angioplasty were enrolled in this study as CHD group and 20 normal subjects served as control group. The systolic velocity (VS), early diastolic peak velocity (Ve), late diastolic peak velocity (Va), Ve/Va were respectively measured and comp...