A concussion is one of the most common conditions arising from severe head injury and is not always evident after trauma. The full effects of a concussion may only be noticed days, weeks or month after the incident and if they persist for a long period of time, it is known as post concussion syndrome. A concussion is any trauma to the brain resulting in impairment of normal brain functions, either short or long term. Fainting or a ‘black out’ meaning a loss of consciousness does not always occur in a concussion and for this reason many head trauma patients ignore the possibility of a concussion and do not seek medical investigation or treatment after their injury.
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