What is considered as a "life-threatening situation" at the scene of an accident?

A life-threatening situation at the scene of an accident is when a person is at risk of dying if he or she does not receive immediate help. A person who is at risk of being run over or being exposed to fire is in a life-threatening situation. A person with arterial bleeding is also in a life-threatening situation.

When giving first aid, a person in a life-threatening situation has the highest priority.