All the First Aid Stuff That's Changed Since You First Learned ItThorin Klosowski11/12/15 8:00am10615EditPromoteGo to permalinkWhen was the last time you took a first aid class? The ‘80s? ‘90s? Like everything in the medical field, first aid is constantly evolving, and what you may have learned to do as a first responder 10 years ago could be completely wrong today. Let’s take a look at some of the biggest changes over the last few years.