...论文 脉和头静脉的血管内径，桡动脉收缩期峰值流速(peak systolic velocity，PSV)；舒张期峰值流速(end-diastolic velocity，EDV)；平均速度(mean velocity，MV)；阻力指数(resistance index，RI)；...
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...硕士论文 脉和头静脉的血管内径，桡动脉收缩期峰值流速(peak systolic velocity，PSV)；舒张期峰值流速(end-diastolic velocity，EDV)；平均速度(mean velocity，MV)；阻力指数(resistance index，RI)；...
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舒张早期流速峰值 EPFV ; PFVE
舒张期峰值血流速度 peak diastolic velocity ; PDV ; diastolic phase peak value ; DV
舒张末期峰值流速 End Diastolic Velocity ; EDV
舒张早期血流峰值速度 EPFV
舒张早期峰值流速 EPFV
目的探讨脐动脉收缩期血流峰值（S）与舒张末期血流速度（D）的比值（S/D）对预测胎儿宫内缺氧的临床价值。
Objective This paper is to investigate the ratio of the systolic peak value and the end-diastolic velocity of blood flow (S/D value) and its clinical value, which can predict fetal anoxia.
病灶局部所测血流动力学参数为收缩期峰值血流速度PS V，舒张末期血流速度(EDV)及阻力指数ri。
The hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI).
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