B型超声扫描中的脉冲多普勒研究。
Pulsed Doppler studies in B-mode ultrasound scanning.
作者信息
Yeh E L, Meade R C
出版信息
Radiology. 1977 Feb;122(2):521-2. doi: 10.1148/122.2.521.
PMID:834907
Abstract
In B-mode ultrasound abdominal studies, vascular structures may be confused with other tissues. A pulsed Doppler unit was coupled to a B-mode scanner by attaching the Doppler transducer to the B-mode transducer. A standardization procedure was designed to assure that the ultrasound beams from the 2 transducers were properly aligned, and that the Doppler focusing was accurate. The Doppler signal may be obtained from any point in the B-mode image in order to differentiate vascular structure from other tissue types.
摘要
在B型超声腹部检查中，血管结构可能会与其他组织混淆。通过将多普勒换能器连接到B型换能器上，把脉冲多普勒装置与B型扫描仪耦合。设计了一种标准化程序，以确保来自两个换能器的超声束正确对齐，并且多普勒聚焦准确。可以从B型图像中的任何点获取多普勒信号，以便将血管结构与其他组织类型区分开来。
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