It is the immediate care or treatment administered to an ill or injured person before professional medical aid can be obtained.
AIMS OF FIRST AID:
1) Preserve life - This includes the life of the casualty, bystander and rescuer.
2) Protect the casualty from further harm - Ensure the scene is safe.
3) Provide pain relief - This could include the use of ice packs or simply applying a sling to a fracture or a broken collar bone.
4) Prevent the injury or illness from becoming worse - Ensure that the treatment you provide does not make the condition worse.
5) Provide reassurance