The essence of first aid is the blood / circulation.
Its kinda like plumbing
- Where do you want it to go?
- Where do want to keep it away from? (Swelling, cuts).Consider Ice, Firm Bandages, Elevation?
- Can you make sure it has oxygen in it? (breathing).Consider Rescue Breaths, CPR?
- Is the pump (heart) going too fast? Consider Calm, Reassurance, Raise legs?
- Does it have sugar? (diabetes, hypothermia) Consider Sweet drinks, jellybeans?
- Do you want to slow it down?(Poisonous bites & stings)Consider Bandages, Reassurance?