• Intracranial arterial stenosis according to TCD peak systolic flow velocity divided into four groups: normal, mild stenosis, moderate stenosis, severe stenosis.

    颅内动脉狭窄按照TCD收缩期血流速度判断分成正常组、轻度狭窄组、中度狭窄组、重度狭窄组。

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  • Objective To probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.

    目的探讨二尖瓣收缩期峰值速度收缩期位移评价扩张型心肌病患者收缩功能价值

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  • Objective to probe the value of mitral annulus peak systolic flow velocity and systolic displacement in evaluating left ventricular systolic function of dilated cardiomyopathy patients.

    目的通过超声心动图评价二尖瓣器形态改变二尖瓣返程度之间关系及其临床意义。

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  • Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).

    检测肿瘤内部血流频谱记录收缩期峰值流速(PSV)阻力指数(RI)。

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  • ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.

    目的评价改善妊娠中晚期动脉收缩期最大血流速度S)与舒张末期血流速度(D比值异常的临床效果

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  • Results Transcranial Doppler had sensitivity of 88.3% (mean flow velocity) and 92.6% (systolic peak flow velocity) with specificity of 97.3% to detect the mild stenosis of carotid artery.

    结果经颅多普勒检测动脉轻度狭窄平均流速敏感性为88.3%,收缩期流速的敏感性92 . 6 %,特异性为97.3%。

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  • 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.

    目的探讨动脉收缩期血流峰值S舒张末期血流速度D比值(S/D)对预测胎儿宫内缺氧临床价值

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  • Conclusions: It present a new way to differentiate unilateral renal ectopy and nephrospasis by measuring the changes of mean peak-systolic flow velocity of renal artery in these patients.

    结论缺如、肾异位、肾游走患者肾动脉血流峰值流速改变,为肾缺如、肾异位、肾游走的鉴别诊断提供新的依据。

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  • Conclusions: It present a new way to differentiate unilateral renal ectopy and nephrospasis by measuring the changes of mean peak-systolic flow velocity of renal artery in these patients.

    结论缺如、肾异位、肾游走患者肾动脉血流峰值流速改变,为肾缺如、肾异位、肾游走的鉴别诊断提供新的依据。

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