Fainting occurs when the blood supply to the brain becomes insufficient. It causes a person to lose consciousness briefly. Fainting either can have no significance or it may be an indication of a serious medical problem. Treating fainting as a medical emergency is important until the cause of the incident in known. If you feel faint, the first thing you need to do is to sit or lie down. Once you are seated, put your head between your knees to redirect blood flow.
If you see someone faint, here are some things you can do:
1.   Look at the person’s airway to ensure it’s clear. Watch out for vomiting.
2.   Look at vital signs, including breathing, movement, or coughing. If the person is not responding, do CPR and call 911. Continue with CPR until emergency services arrives.
3.   Try to restore the person’s blood flow. If the person is breathing, your aim is to restore the supply of blood to the brain. To achieve this, raise the person’s leg over head level. In addition, loosen collars, belts, and other constrictions. In most cases, the person will regain consciousness. If he doesn’t become conscious within one minute, call for medical assistance.
Sometimes, fainting occurs when a person falls and becomes injured. Most of the time, the loss of consciousness is temporary, though immediate medical attention is required to prevent more serious problems. If the person is bleeding, apply direct pressure on the wound so blood loss will be minimized. Fainting should be taken seriously. Though it may not mean anything to some people, the risk associated with it is great.
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Great information to know. Thanks for sharing.