How do you know? If you were out, was there a video?
That said, it's just a matter of how big a line of BS they think they can feed us about Hillary. Pneumonia... because that's easily curable... that's the current story. But, if they had diagnosed it earlier, and she bravely showed up despite it, how come it wasn't mentioned immediately upon her faint?
Usually it was the referee who told me what happened.
“Kid, maybe you should play chess instead.”
Though I did have a Doctor give me a lecture on vagal response once.