多普勒超声检查应用于临床以来,提高了颅外段脑血管病变的诊断水平。我们使用美国Acuson-128双功能超声显像仪对145例经CT证实的脑梗塞病人及105例健康人的颅外段颈动脉、椎动脉的B型超声图像及血流测定进行对照分析如下: Doppler ultrasonography has been used clinically to improve the diagnosis of extracranial cerebrovascular disease. We use the United States Acuson-128 dual-function ultrasound imaging instrument in 145 cases of CT-confirmed cerebral infarction and 105 healthy subjects extracranial carotid artery, vertebral artery B-mode ultrasound images and blood flow control were analyzed as follows: