Guys, ease up on the responders. I'm sure it's easy to want to take your frustrations out and vocalize them, especially if you happened to witness the events as they transpired. But, honestly, from witness accounts/media stories/and even the VN posts on here, it really wouldn't have made a difference if he were "on a backboard" in 2 minutes as opposed to the reported "20-minutes."
Purely speculative and from a medical-based point of view, a 40-foot fall onto a concrete surface below, in which he had to tumble OVER the railing (i.e. head first), and the reports of him being unconscious, unresponsive, and someone here stated "his chest was moving a little bit," (more than like describing agonal respirations--which, in the medical field, is very telling of significant injury--significant head injury specifically), all of that would lead me to believe that he suffered a significant traumatic head injury. I say this to drive home the point that once this occurred, his outcome (and unfortunately his fate) were basically sealed--no matter the care he received immediately following.
The only thing that would lead me to believe otherwise would be if there were accounts of the victim being alert, talking, conscious, etc...after the fall. In that scenario, the head injury would not have been the cause for him passing away--it would have been severe internal injury--in which case the only "fix" for this would be immediate definitive care (i.e. quick response and transport to Grady Shock/Trauma and more than likely directly to surgery to correct the internal bleeding). Delay in THIS timeframe (what we call the "Golden Hour") would negatively impact his chance of survival--if that were the case. But, this does not seem to match up with what was/is being reported.
Again, I am just trying to bring some medical basis and reason to this conversation. I don't know all of the facts and I am just going on what I have read/heard and from that, forging my own beliefs on what happened. Speculative, yes; but backed by experience and medical fact.
Also, I am not saying that he could not have sustained severe head injury AND internal bleeding, because in all actuality, this is most likely what his injuries were--a combination. All I am trying to point out is that for someone that suffers a severe head injury, no matter what other injuries may be present, the prognosis is rarely good. Try to take it easy on the responders.
It's tragic and terrible. Prayers for the young man's family and friends.