彩色血流流速流量测定 CVIQ
超声血流流速描记法 ultrasonic blood velocity recording method
口血流流速时间积分 PVVTI
血流峰值流速 Peak systolic blood flow velocity ; PSV
收缩期血流峰值流速 Peak systolic blood flow velocity ; PSV
舒张期末血流最低流速 end diastolic velocity ; EDV
管中段血流峰值流速 middle graft
舒张期呈反向低速血流，而腔内旋转血流流速常较低。
目的探讨体外模拟心脏运动对多普勒血流流速曲线速度时间积分(VTI)测定的影响。
Objective To investigate the influence of simulated heart motion on the Doppler spectrum velocity - time integral (VTI) of simulated blood flow measurements through an in vitro model.
本研究还表明高压氧进出舱前后脑血流速度的加快与血流流变学无明显关系，而是由于血管收缩、血管阻力增加所致。
This research also indicated that quickened blood flow velocity had no relation to blood rheology, it was due to vascular contraction and increased resistance.
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