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Concussion

Basics

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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:

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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