1.所谓暂短性脑缺血发作暂短性脑缺血发作 (TIA)是因脑局部缺血 ,在临床上出现暂短性神经脱落症状。责任病灶是左、右颈内动脉系统或椎动脉 -脑底动脉供血区中局部的某一点。TIA 不同于脑血管功能不全 (cerebrovascularinsufficiency)。TIA发作的持续时间均在 2 4小时以内 ,但? 1. The so-called transient ischemic attack transient ischemic attack (TIA) is due to cerebral ischemia, the clinical symptoms of transient nerve exfoliation. The responsible lesion is a local point in the left and right internal carotid arteries or in the blood supply area of ​​the vertebral artery-cerebral artery. TIA is different from cerebrovascular insufficiency. The duration of the TIA episode was within 24 hours, but?