(Though its certainly happening a lot these days,mainly thanks to inappropriate responses from the police.)
If thats you, let people know.
There is also a book-length guide to street medicine for protests atriotmedicine.net.
(The signed link there wasnt working for me, but there is another versionhere.)
Is it safe to approach?
What may have happened?
Who else is around to help?
Direct a bystander to grab supplies.
Talk to the person, check them over and provide appropriate care.
Check the person over and ask bystanders for information.
Look up, make eye contact with someone and point at them:You, call 911.
Briefly: call 911, find the source of the bleeding and apply pressure.
If life-threatening bleeding is coming from an arm or leg, a tourniquet can save a life.
(Yes, this advice may differfrom what you learned years ago.)
Wash your hands, rinse the wound and pat it dry with something clean.
Replace any skin flaps and cover the wound with a clean bandage or dressing.
If blood soaks through the dressing, dont remove it; add more layers on top.
you’ve got the option to read amore complete guide to wound care here.
For a broken bone, youll want to splint the bone to immobilize itwithoutattempting to straighten the break.
(Thats a job for the ER, not for first aid.)
Seek medical help as soon as possible.
These indicate an injury that may require immediate medical help, so call 911.
(If you arent sure, seek help anyway.)
Supplies you should bring
Any first aid supplies can be helpful in an emergency.
The Red Cross has achecklist for personal and family first aid kits.
Saline vials of 20 to 50 milliliters are appropriate for tear gas, notes the Riot Medicine handbook.
Larger eyewash bottles are appropriate for pepper spray.