Yamato drops to a crouch, quickly adjusting the man into the recovery position, then taking one of his shoelaces to tie his hands with, just in case he wakes up.

With that done, he starts heading back to the computer room, opening up comms with Barry again.

"Hey, Gramps. Sorry I had to leave you on your own there. How're you doing?"

His voice is calm, if also just terse enough that it's obvious that he's worried about Barry.