Objective To assess the changes of the cardiac function of the patients with myocardial infarction(MI) after the coronary revascularization(CRV) by 2D echocardiography and Doppler tissue imaging(DTI).

• 目的应用常规超声心动图及多普勒组织成像技术(DTI)对心肌梗死患者血运重建术前后整体及局部心功能进行评估,探讨血运重建术对心肌梗死患者心功能的作用。