What's Happening to the Brain, Sanjay?

Sanjay Gupta: I think that they must have known, first I thought to myself, did they not recognize the gravity of the car? So he is essentially, you know, he's dying, John, I mean there's no other way to really say it, he's critically injured. He seems to be in a state of what we call Agonal Breathing, which is typically a sort of breathing pattern when somebody who's just near respiratory distress And even when the paramedics or the EMT, I couldn't quite figure out who first got to him Again, about a half an hour later, they're the first people to sort of bring out a bag and start assessing him Doing things