Injury to the head, with or without unconsciousness or other visible signs.
Head injury can be classified as either closed or penetrating. In a closed head injury, the head sustains a blunt force by striking against an object. A concussion is a type of closed head injury that involves the brain.
In a penetrating head injury, an object breaks through the skull and enters the brain. (This object is usually moving at a high speed like a windshield or another part of a motor vehicle.)
CausesIn sports, head injury is most common in contact or collision sports, especially football, ice hockey, boxing and wrestling. It is more likely in persons with disorders.
Signs and symptoms
Depends on the extent to injury. The presence or absence of swelling at the injury site is not related to the seriousness of injury. Signs and symptoms include any or all of the following:
Home Treatment- After a doctor's examination, the injured person may be sent home-but a responsible person must stay with the person and watch for serious symptoms. The first 24 hours after injury are critical, although serious aftereffects can appear later. If you are watching the patient, awaken him or her every hour for 24 hours. Report to the doctor immediately if you can't awaken or arouse the injured person. Report also any of the following:
Don't give any medicine-including non-prescription acetaminophen or aspirin-until the diagnosis is certain.
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