vertebrobasilar ischemia

例句：

1. 1. This patient hada history of vertebral artery dissection and presented with vertebrobasilar ischemia.
   这位患者有椎动脉夹层病史，并出现了椎基底动脉缺血。
2. 2. The patient's condition worsened due to the developmentof vertebrobasilar ischemia.
   由于发展成椎基底动脉缺血，患者的病情恶化了。
3. 3. The diagnosis ofvertebrobasilar ischemia requires immediate treatment to prevent further complications.
   椎基底动脉缺血的诊断需要立即治疗以防止进一步并发症。