Conclusion:The abnormality of BAEP is an early indication of brainstem infarction,but in patients with normal BAEP,lacuna or patch infarctions could not be excluded.

• 结论:BAEP图形的异常改变，是脑干梗死患者早期变化的一个指征，而正常BAEP不能排除脑干腔梗或小片状梗死。