...膜间直径即为LCD,并将取样容积(2 mm)置于主干与左前降支移行处,用脉冲多普勒测取舒张期峰值血流速度(peak diastolic velocity, PDV)和平均血流速度(mean diastolic velocity, MDV),然后,于9 min内经静...
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...直径即为LCD,并将取样容积(2 mm)置于主干与左前降支移行处,用脉冲多普勒测取舒张期峰值血流速度(peak diastolic velocity, PDV)和平均血流速度(mean diastolic velocity, MDV),然后,于9 min内经静...
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... 医源世界 index,PI)、收缩期峰值血流速度(systolic phase peak value,SV)、舒张期峰值血流速度(diastolic phase peak value,DV)。
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...源世界 index,PI)、收缩期峰值血流速度(systolic phase peak value,SV)、舒张期峰值血流速度(diastolic phase peak value,DV)。
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舒张早期血流峰值速度 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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