...脉;收缩期峰值流速;胎儿;贫血 [gap=1027]Keywords】: UltrasonographyDoppler;Middle cerebral artery;Peak systolic velocity;Fetus;Anemia ...
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...1.0mm左右，实验前后椎动脉管径变化难以用B超观测到，故选用测量血流参数包括收缩期峰值流速(systolic peak flow velocity, SPV)、舒张末期流速(enddiastolic flow velocity, EDV)、平均流速 (me...
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...规则低回声区,CDFI:团块周边及内部可见较丰富彩色血流信号(图1),团块内部动脉频谱:收缩期峰值流速(peak systolic flow velocity, PSV) 18.3 cm/s,血流阻抗指数(resistance index, RI) 0.56;脾脏及左肾...
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的收缩期峰值流速 peak systolic velocity ; PSV
包括收缩期峰值流速 peak systolic velocity ; PSV
动脉收缩期峰值流速 peak systolic velocity
处收缩期峰值流速 peak systolic velocity
收缩期峰值血流速度 peak systolic velocity ; PSV ; systolic phase peak value
收缩期血流峰值流速 Peak systolic blood flow velocity ; PSV
收缩期血流峰值速度 peak systolic velocity ; PSV ; peak systolic velocities
的收缩期峰值血流速度 peak systolic velocity
收缩期流速峰值 peak systolic velocity ; PSV
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检测肿瘤内部的血流频谱，记录收缩期峰值流速(PSV)和阻力指数(RI)。
Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).
收缩期峰值流速餐前和餐后各时点比较差异有统计学意义（P<0.01），餐后各时点比较差异无统计学意义（P>0.05）；
Significant difference was found between fasting PSV value and postprandial values(P<0.01), but no difference was found among values at various postprandial time points(P>0.05).
超声分别以肱动脉段收缩期峰值流速值（PSV）、收缩期加速度值（AC）、肱动脉段流速曲线形态异常为标准预测上肢动脉近端病变。
The stenosis in proximal upper extremity was predicted by values of peak systolic velocity (PSV), systolic acceleration (AC), and the abnormal waveforms from brachial artery.
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