Concussion
Definition
A concussion is a brain injury that may result in a bad headache. altered levels of alertness, or unconsciousness.
See also: Concussion - first aid
Symptoms
A concussion results from a significant blow to the head. Symptoms can range from mild to severe. They can include:
* Headache
* Altered level of consciousness (drowsy, hard to arouse, or similar changes)
* Loss of consciousness
* Memory loss (amnesia) of events surrounding the injury
Emergency signs:
* Changes in alertness and consciousness
* Convulsions
* Muscle weakness on one or both sides
* Persistent confusion
* Persistent unconsciousness (coma)
* Repeated vomiting
* Unequal pupils
* Unusual eye movements
* Walking problems
Head injuries which result in concussion often are associated with injury to the neck and spine. Take particular care when moving patients who have had a head injury.
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