You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
We're already very good at triage; we'd just prefer not to have to use it to deny potentially lifesaving care (or any care at all) to large segments of the population the way we'd have to in case of a national healthcare system overload.
I do think that unprecedented events cause unprecedented challenges which cause unprecedented outcomes, but I also want to acknowledge that most people probably underestimate the extremely high general competence of modern emergency care
Absolutely (emphasis on "general" 
; as with the rest of life, YMMV).
And you make an excellent point about the consequences of system overload.
Most people don't realize that we normally run very nearly at capacity, personnel-wise. There's not a lot of slack available.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
