CT scan

Question 1

criteria for CT scan in 1 hour (>16)

Answer 1

-GCS <12 on initial assessment
-GCS <15 at 2 hours after injury on assessment in emergency department
-any sign of basal skull fracture
-post trauma seizure
-focal neuro deficit
-more than 1 episode of vomiting

Question 2

criteria for CT scan within 8 hours (>16)

Answer 2

65 or older
bleeding disorder
high velocity mechanism of injury
>30 mins retrograde amnesia of events before head injury