Objective Lateral wall velocity of mitral annulus and in infarctive region on patients with myocardial infarction were determined with Doppler tissue imaging(DTI), to study the available value of DTI on myocardial infarction.

• 目的 运用多普勒组织成像 (DTI)技术 ,对心肌梗死患者梗死区域、二尖瓣环处的运动速度进行检测 ,探讨DTI技术在心肌梗死中的应用价值。