本文介绍了一种便携式浅表动脉超声多普勒血流仪的研制。
In this paper is introduced a kind of newly developed ultrasonic Doppler instrument for measuring blood flow of superficial artery.
超声血流仪实现其测量血流速度的关键是多普勒频移信号的提取，多普勒频移信号是血流速度的真实反映。
As Doppler shift signal can significantly reflect the speed of flow, the abstracting of Doppler shift signal is the key of blood flow speed testing in a ultrasonic blood flow detector.
单根血管吻合后血流均通畅(彩色超声多普勒仪测定)。
Fluent blood flow was observed in the anastomosed vessels by colour Doppler ultrasonography.
用彩色多普勒超声血流仪检测血管中央的时间-流速，以评估血流量的基线。
The baseline flow was estimated with continuous-wave Doppler by recording the time-velocity at mid-vessel.
应用经食管彩色多普勒超声仪研究49例心内直视术期间左肾动脉（LRA）的血流动力学变化。
The left arteriorenal(LRA) hemodynamics changes in 49 cases during intracardiac operation under direct vision were studied by transesophageal color Doppler imaging.
方法采用HP85 0 0型彩色多普勒超声诊断仪检测86例老年人颈动脉粥样硬化病变结构和血流受阻程度。
Methods The pathologic structures of carotid atherosclerosis and the severity of blood flow-blocking were evaluated in 86 elderly patients with HP8500 color Doppler ultrasonic diagnosis system.
结论在食管超声多普勒仪监测下，冠心病人可以耐受液体负荷治疗，血流动力学得到了显著改善。
Conclusion Under esophageal Doppler monitoring, intraoperative fluid load can be tolerated successfully in CHD patients, and hemodynamic status can be improved.
方法应用彩色多普勒超声诊断仪，对79例脑梗塞患者进行颈动脉血流检查。
Methods the Ultrasonographic analyses of the carotid artery blood flow were conducted in 79 patients with cerebral stroke by Color Doppler Instrument.
治疗前后用彩色多普勒超声诊断仪检测肺血流动力学指标并作血气分析。
Blood gases were analyzed and parameters of pulmonary hemodynamics were determined by color doppler supersonic diagnostic set before and after treatment.
在此背景下，本课题设计了一种基于AT 89 C 51单片机的血流类多普勒超声诊断仪的计量检测装置。
On this background, in this paper we design a equipment based on AT89C51 for Doppler flow verification.
方法用荧光免疫法测定血浆BNP水平，用心脏彩色多普勒超声诊断仪测定左室功能以及肱动脉血流调节的扩血管反应（FMD）。
Methods BNP levels were measured by immunofluorescence assay. Color doppler echocardiography was performed to measure the left ventricular function and FMD.
方法用荧光免疫法测定血浆BNP水平，用心脏彩色多普勒超声诊断仪测定左室功能以及肱动脉血流调节的扩血管反应（FMD）。
Methods BNP levels were measured by immunofluorescence assay. Color doppler echocardiography was performed to measure the left ventricular function and FMD.
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