Question
  • Epidural >5mm

  • Subdural >5mm or pan-hemispheric

  • Mass effect or shift

  • Herniation pattern

  • Complex, comminuted or depressed skull fracture

  • Basilar skull fracture

  • Parenchymal tear

AND/OR

  • < 24 months old with interhemispheric blood, subdural blood of different densities, or evidence of hypoxic injury

  • Cerebral contusion < 1 cm

  • Epidural < 5mm

  • Subdural < 5mm

  • Subarachnoid Hemorrhage

Your Answer: No

Normal CT
OR
Non-depressed or minimally depressed skull fracture
AND
NO intracranial hemorrhage
AND
> 6 months of age

Your Answer: No

Observe 3-4 hours
OR
Obtain head CT

< 2 years of age? (2-4 see supplemental document)**

  • Severe mechanism of injury 2

  • High risk hematoma 3

  • LOC > 5 seconds

  • Vomiting 4

> 2 years of age?

  • Severe mechanism of injury 2

  • Severe headache

  • Any loss of consciousness

  • Vomiting 4

Your Answer: Yes

GCS 14 or 15

  • Altered mental status

  • Seizure

Your Answer: No

GCS <13 or altered mental status
AND/OR
Obvious markedly depressed or open skull fracture or evidence of basilar skull fracture
AND/OR
Focal neurologic exam

Your Answer: No