The key assessment for a head-injured patient is the Glasgow Coma Score (GCS), seen at the right. Used in adult and pediatric patients, there is a modified version for use in infants and toddlers. There is also a Children's Coma Score that is specifically for pediatric patients.

The GCS is an important component of the initial management of the patient and serves as the basis for classifying head injuries:

  • Minor TBI =      GCS 13-15
  • Moderate TBI = GCS 9-12
  • Severe TBI =     GCS <= 8

Using this classification scheme, severe TBI accounts for about 10% of all cases, moderate another 10% and the remaining 80% are minor TBIs. Note that, with a severe TBI, the highest level of brain function is the subcortical area.



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