Question：The diagnosis of hypertensive encephalopathy in the ED usually relies on the exclusion of alternative causes of altered mentation. What level of Blood Pressure is required to develop hypertensive encephalopathy?
在急诊科诊断高血压性脑病通常依赖于排除导致神智改变的其他原因。
那么，多高的血压才能出现高血压脑病？
