You have sporadic memory impairment,

你有偶发性的记忆力衰退
totally out of proportion to your age.

不是你这年龄出现的症状
And there is evidence of decline in your level of mental function.

而且你大脑有功能衰退的迹象
So I think we should do a PET Scan.

所以我认为最好再做个断层扫瞄
It's similar to an MRI

做起来起来和核磁共振差不多
but it can pick up things at a molecular level.

但可以从分子层面进行诊断
I know what a PET Scan is.

我知道什么是断层扫瞄
What, in particular, would you be looking for?

做这个你能查出什么
I want to see if the results are consistent with Alzheimer's Disease.

我需要扫瞄结果判断是不是阿尔茨海默症
It would be rare for someone as young as yourself

像你这年龄的人很少会得这病
But you do fit the criteria.

但你的症状很像
Now last time I asked you to bring in a close relative.

上次我请你把家人带来的