Even after Chandhok got up out of the car, I was still concerned that any real effects from having his head snapped around by an F1 car might not start to show immediately.
Well, I think we safely can say that Karun Chandhok is doing fine, as this Tweet from a little bit ago attests:
Just met a bunch of Brazilian fans – we all cheered for @BSenna together !! http://twitpic.com/1ofjdk
about 1 hour ago via Twitpic
The photo link is here.
Does he look a little glassy eyed, though?