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What is first aid

First aid, emergency treatment measures are applied to victims of accidents or sudden illness until there are specialized treatment. The purpose of first aid is to relieve painand anxiety of the injured or sick and prevent the worsening of her condition. In extreme cases are necessary to prevent death until you get medical care. 

First aid vary according to the needs ofthe victim and according to the rescuer's knowledge.Knowing what not to do is as important as knowing what to do because a therapeutic measure misapplied can cause serious complications. For example,acute appendicitis a mild laxative may endanger the patient's life. 

How to act 

Whatever the injury, apply a set of general rules. Always avoid panic and precipitation. Unless the victim placingexpose it to further injury, should be avoided until the position changes to determine the nature of the process. A trained lifeguard is to examine the injured to assess wounds, burns andfractures. Reassure the victim and explaining that medical help has been requested. The head should remain at the same level as the trunk except where there is difficulty breathing. In the absence of head or neckinjury may slightly raise your shoulders and head for comfort. If you experience nausea or vomiting should be turned head to one side to prevent

aspiration. Should never be given food or drink,much less in the unconscious patient.The first act, the more immediate aim must be acceptable to the patient breathing: getting the unblocking of the airway to prevent choking, extracting foreignbodies, solid or liquid, and removing 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. 

The secondaspect is the reference to correct the circulatory system, to prevent shock. It should assess the heart rate and blood pressure. An initial assessment is obtained by taking the pulse: to assess the...