Head injury Definition: Head injury is a trauma to the head, that may or may not include injury to the brain (see also brain injury). The incidence of head injury is 300 per 100 000 per year, with a mortality of 25/100 000 in North America and 9/100 000 in Britain.

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Concussion, Family Guide to Neuromedicine - ... Concussion. The brain is composed of soft, delicate structures that lie within the rigid skull ... The mild concussion occurs when the person does not lose consciousness (pass out) but ...

CDC - Facts About Concussion and Brain Injury and Where to Get Help - ... This brochure explains what can happen after a concussion, how to get better, and where to go ... mild brain injury called a concussion. Some symptoms of a concussion are: ...

MedlinePlus Medical Encyclopedia: Head injury - Medical Encyclopedia. Other encyclopedia topics: ... blunt force by striking against an object. A concussion is a type of closed head injury that involves ... This is called a concussion.) The head may look fine, but complications ...

Untitled Web Page - ... What is a concussion? A concussion is an injury to the brain ... information from people who were there when the concussion happened. This is very important, especially if you're ...