脑血管病临床表现因受累血管的不同而表现各异,同时由于供血区的变异和侧支循环供血程度的不同,临床表现的差异可能很大,有时很难只根据某一症状和体征就判断出病变在哪一条血管。虽然如此,脑血管闭塞时所引起的局灶症状和体征,在大多数情况下仍然有很大的临床定位价值。此外,颈内动脉系 The clinical manifestations of cerebrovascular disease vary with the affected blood vessels. At the same time, due to the variation of blood supply area and the degree of blood supply of collateral circulation, the difference of clinical manifestations may be very large, and sometimes it is difficult to judge according to some symptoms and signs only Which pathological changes in the blood vessels. Nevertheless, the focal signs and symptoms caused by cerebral vascular occlusion, in most cases still have a great clinical value. In addition, the internal carotid artery