First aid is the initial care given to an injured person. Mostly, this timely care prior to the arrival of the medical help means the difference between life and death.

It must start immediately when the injury or illness occurs and continue until medical help arrives or the casualty recovers.

The basic aims of first aid are:

• To save life
  
• To protect the casualty from getting more harm
  
• To reduce pain and Priorities of Casualty Treatment