My mum overdosed...?!

hey my mum went to get an mri scan the other day and cos she's claustrophobic they had to give her valium but they overdosed her and now she's really forgetful and doesn't know whether it's day or night and can't remember my sisters 2 year old son!.!.!.
we took her to the docs and they said she'd be fine but i was just wondering if anyone else has had this experience and how long it will take to wear off, its almost been two days and she's no better!.Www@Answer-Health@Com

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