It'd be even better if, say, your insurance card had your basic medical info stored on it in some encrypted form, and then the EMTs could just scan the card and

It'd be even better if, say, your insurance card had your basic medical info stored on it in some encrypted form, and then the EMTs could just scan the card and have half the form populated with accurate information automatically. Or if it just stored some kind of UID that the PCR system could use to pull that information from the insurance company's database.