Conan Goes to Canadian Emergency Room

4/14/2010 10:29 AM PDT

Conan O'Brien in Canadian Emergency Room

Conan O'Brien had to make an emergency stop on his comedy tour last night -- when his tour manager had to be taken to a hospital in Canada.

The newly-minted TBS late night host told photogs his tour manager had to be checked out after exhibiting some sort of "symptoms" -- but Conan wasn't specific about the nature of the illness.

And while Coco was all fired up about the free health care in Canada, he joked "I think they're gonna take his American Express card ... because we're American."

UPDATE: We're told Conan's tour manager was suffering from "migraine symptoms" -- and he has since been released from the hospital.