Don't remember seeing them mentioned earlier but I've always carried butterfly bandages (wimp stitches) as well. Only used them a couple times but they worked pretty well on a couple of bad cuts that probably should have had stitches, they held things pretty much together. Scars make you look more manly anyhow....
Also a few simple band-aids, a roll of athletic tape, (but looking into the vet wrap, may suit my uses better) duct tape (mostly for hot spots or blister and gear patching) several gauze pads in various sizes, neosporin (the gauze and neosporin make pretty decent fire starter as well) aspirin, aleve, benadryl, and some percocets for the unbearable. Eye drops (great relief if dusty and windy) Lip balm, that's all I can think of in it right now. All goes in a small sea to summit dry bag. Splints, crutches, many other things can be fabricated with a knife and saw (in the pack) I have paracord or mule tape, game bags, nylon poncho or small shelter and clothing in the pack as well.
The injuries I try to prepare for is bad sprain/broken bone and bad cuts, gouges, punctures, etc. With a side order of easing the distress of headache, insect bites, stings, etc. Much else.... there isn't a lot of things you are going to be carrying on your back IMO. The emergency beacon, etc. may be worthwhile though. Never owned one, but again... worth looking into. Something life threatening the only best treatment is get to a hospital FAST.