AIM: To study the changes of portal blood flow in congestive heart failure.METHODS: We studied the congestion index (CI)......

目的：观察血管因素对正常眼压性青光眼（NTG）的影响。方法前瞻性地对NTG组40眼及年龄、性别相匹配的正常对照组40眼行彩色超声多普勒成......

It is critical for cerebral vascular disease diagnosis through Doppler to detect the maximum and the minimum of the caro......

目的:评价脐动脉超声血流图在产前监测中的作用。方法:孕妇260例(孕37～42周)用多普勒超声行脐动脉血流图检查并计算S/D值,胎心无负......