Does the President need blood stored in his limousine?

Apparently, the Presidential limousine has a compartment that stores pre-crossmatched blood, just in case.

How necessary is this, considering the fact that a designated emergency department will never be far off for the President?

And in case the unforeseen happens, is transfusing blood in the field the best option for fluid resuscitation, rather than simply giving intravenous saline or crystalloid?

If anything, emergency physician Shadowfax writes, when the President makes it to a hospital, having blood already handy means there won’t be the normal delay to type and crossmatch before transfusion.


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