J.D.: [v.o.] In the end, it's the "what ifs" that hurt the most. Like, what if things had gone a little differently?
Dr. Cox: Look it, it's just that aortic dissections are a doctor's worst nightmare. If you don't catch 'em early, there's about a ninety percent mortality rate. I mean, honestly, unless your patient was lucky enough to trip and fall into a CAT-scan machine, he wasn't gonna have a happy ending. Newbie, we didn't have a chance on this one.