The result showed that systolic peak velocity of bottom cerebral arteries in heroin addicts was much higher than that of the normal control group (P<0.01).
结果表明观察组脑底动脉收缩期峰值血流速度明显高于正常对照组，差异非常显著（P＜0．01）；
Detection of tumor blood flow within the spectrum, recorded peak systolic velocity (PSV) and resistance index (RI).
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)。
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.
目的探讨二尖瓣环收缩期峰值速度及收缩期位移评价扩张型心肌病患者左室收缩功能的价值。
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.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
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颈动脉轻度狭窄平均流速的敏感性为88.3%，收缩期峰流速的敏感性为92 . 6 %，特异性为97.3%。
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.
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 hemodynamic parameters measured in the lesion locations included peak systolic velocity (PSV), end diastolic velocity (EDV), and resistance index (RI).
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。
Results:The peak systolic velocity and the time average velocity of the central retinal artery of the affected eyes were lower than those of the patients healthy eyes(P<0 0001).
结果：患眼的视网膜中央动脉收缩期峰值血流速度、平均血流速度均低于对侧眼（P＜0．0001）。
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。
The artery's peak systolic velocity(PSV) of malignant tumors was higher than that of benign tumors.
恶性肿瘤内动脉的最大血流速度（PSV）高于良性肿瘤。
No correlation was found between MES with degree of stenosis, and ultrasonic characteristics of plaques, and PSV (peak systolic velocity), and stroke risk factors.
MES阳性率与狭窄程度、斑块超声回声、狭窄处收缩期血流速度及卒中危险因素未见关联。
Objective to analyze the clinical value of peak myocardial velocity gradient (MVG) as a noninvasive indicator of left ventricular (LV) systolic or diastolic function.
目的探讨心肌速率阶差m VG评价左室舒缩功能的价值。
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四组：正常组、轻度狭窄组、中度狭窄组、重度狭窄组。
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：肾缺如、肾异位、肾游走患者肾动脉血流峰值流速的改变，为肾缺如、肾异位、肾游走的鉴别诊断提供了新的依据。
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与二尖瓣返流程度之间的关系及其临床意义。
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与二尖瓣返流程度之间的关系及其临床意义。
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