Methods :The velocities of IVS and LVPW in various levels short axis sections and longitudinal velocities of each segments in apical sections in 30 normal subjects were measured with PW-DTI.

• 方法：应用PW-DTI技术对30例正常人前间隔与左室后壁短轴方向的运动速度和各室壁节段(心尖部除外)长轴方向的运动速度进行测定分析。