目的探讨经静脉声学造影剂对下肢动脉彩色血流信号的增强作用。
Objective To investigate the enhancement of color Doppler signals in lower limb arteries by intravenous ultrasound contrast agent.
结论经静脉超声造影剂能够显著增强下肢动脉彩色血流信号，有助于下肢血管病变的诊断。
Conclusions Intravenous ultrasound contrast agent could give rise color Doppler signals in lower limb arteries, and help to make lower limb artery disease diagnosis to a more accurate extent.
目的：探讨氟碳声学造影剂对下肢动脉彩色血流信号的增强作用。
Objective: To investigate the enhancement of color Doppler signals in normal lower limb arteries by perfluorocarbon contrast agent.
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