But she still doesnt know what happened.
The TV host, 70, returned to the U.K.sThe Talkon Tuesday.
Sharon and her doctors are baffled.

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I wish I could (tell you), but I cant.
It was the weirdest thing.
I was doing some filming and suddenly they tell me that I [passed out] for 20 minutes.

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I did every test over two days and nobody knows why, she said.
The 70-year-old Osbournes son,Jack Osbourne, confirmed the news toTMZ.
He said doctors gave her the all-clear on her condition, which was not specified.
However, her son added she would talk about it when fully recovered.
Sharon Osbourne was filming scenes for an upcomingNight Of Terrorwhen the incident occurred.
The Ventura County Fire Dept.
confirmed the incident to TMZ.
The incident happened around 6:30 PM on Friday and transported Osbourne to the hospital.
Her identity was confirmed by Santa Paula Police Chief Don Agular.
Deadlinewill update the story on Osbournes condition as more details become available.