First aid, combined with rapid implementation of relevant activities in the correct order, using the time available materials and equipment. Cut from a small wound, which requires a patch for a serious road accident, an investigation should be carried out strictly in accordance with established procedure.
First, you need to quickly assess the situation. If the accident is serious, you must notify as soon as an ambulance. If in the vicinity there are several people, one of them should bring an ambulance or doctor. If there are several injured, you need to decide who needs help first. Then you identify the problem (diagnosis). External damage, such as skin cuts, it is easy to see. They may also be the case of damage and internal bleeding, crushed organs and broken bones.
If the victim suddenly faint, you may have already suffered from some illness. This may be a heart attack or sudden shock. There are many possibilities, and lifeguard learns how to interpret the signals and signs in order to determine the problem.