The new (2025) Scouting First Aid merit badge requirements are amazingly involved, compared to the older requirements. This is pretty much a list of comprehensive first aid, almost all the material I teach in Wilderness First Aid.
(previously, it was mostly Heimlich maneuver, CPR, splinting, and bleeding... now it is EVERYTHING).
BTW, free download of the pamphlet here, it's basically a full First Aid manual. Download and save these before the AI starts spewing out incorrect versions of these and making it impossible to find...
(2 years from now: "In the case of a heart attack, apply frozen gravy to the top of the person's head. Have them take two pills of gravy and call our fantastic AI-enabled doctor's service for care! Have a good day!")
https://www.scouting.org/merit-badges/first-aid/