Whatever the injury, apply a series of general rules. Always avoid panic and haste. Unless the victim placing expose it to further injury, to avoid changes in position until they determine the nature of the process. A trained lifeguard is to examine the casualty to assess wounds, burns and fractures. It should reassure the victim, explaining that it has already requested medical help. The head should remain at the same level as the trunk except where there is difficulty breathing. In the absence of head or neck injuries can lead to somewhat higher shoulders and head for comfort. If you experience nausea or vomiting should turn his head to one side to prevent aspiration. Should never be given food or drink, much less in the unconscious patient. The first performance, the more immediate aim must be acceptable to the patient breathing: getting the unblocking of the airway to prevent suffocation, extracting foreign bodies, solid or liquid, and withdrawing the tongue falling back. If the patient is not breathing by itself will have to vent from the outside by mouth to mouth to have a mechanical device.