方法:应用TDI技术观测二尖瓣环心肌舒张早期速度(Em)和舒张晚期速度(Am),应用脉冲多普勒成像(Pulse Doppler Imaging,PDI)技术测量二尖瓣口舒张早期最大血流速率(E)和舒张晚期最大血流速率(A),并计算Em/Am、E/A.
基于8个网页-相关网页
方法:应用TDI技术观测二尖瓣环心肌舒张早期速度(Em)和舒张晚期速度(Am),应用脉冲多普勒成像(Pulse Doppler Imaging,PDI)技术测量二尖瓣口舒张早期最大血流速率(E)和舒张晚期最大血流速率(A),并计算Em/Am、E/A.
基于8个网页-相关网页
Pulse doppler tissue imaging 脉冲多普勒组织成像
Doppler centroid estimation is one of the most important steps in the DBS imaging of airborne pulse Doppler radars.
多普勒质心估计是机载脉冲多普勒雷达dbs成像技术中最为关键的步骤之一。
The blood flow frequency imaging of peritrophoblastic artery flowing was searching by pulse Doppler, it was high extending flow and low resistance.
用彩色能量图显示低速血流，用脉冲多普勒寻找高舒张期低阻力滋养动脉血流频谱。
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