“Flail chest?” “It means several adjacent ribs are broken in a way that lets them free-float with your chest as you breathe. It’s one of the most painful types of rib breaks.” “I noticed. And this wrap is killing me.” “Stop tugging at it, Omid. Bad as it feels, the pressure of that wrap against the broken section is actually reducing the pain.” “You’ve got to be kidding me. You mean it could be worse?” “Yep. Now hold still, I’ve only got so much battery on this thing.”