Check to see if the area is safe to perform first aid
The first step is to check for safety.
In EVERY emergency situation, there is a logical order to be followed. First, it is important to carefully assess the scene of an emergency BEFORE any further steps are taken. The purpose of this assessment is to assure it is safe to provide first aid care. For example, an unconscious victim might be lying on a live power line. If a rescuer were to touch the victim before the power could be shut off, the rescuer would become a victim as well! Another example is in a car accident, you see gas is leaking out of the car. It may not be safe to approach the car to rescue the patient. Therefore, you need to Always be sure it is safe before you attempt to help a victim!
Once you determine it is safe for you to help a victim, you should immediately determine if the victim has any life threatening conditions.