duplex pulsed doppler ultrasound 超声多普勒
pulsed doppler ultrasound device 超声脉冲多普勒装置
color and pulsed doppler ultrasound 彩色及脉冲多普勒超声
ultrasound pulsed doppler 超声脉冲多普勒
As quantitative bind now measurement was in peripheral vessels by pulsed Doppler ultrasound, SV size was selected selected for decreasing measurement error.
建议在外周血管血流定量检查时，正确选用SV大小，以便减小测量误差。
The characteristics of the 2 dimensional echogram, the color Doppler energy imaging and pulsed 2 wave Doppler ultrasound spectrum were studied.
观察分析其二维声像图、彩色能量图及脉冲多普勒频谱特征。
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