Table 1

 1998–1999 and 2002–2003 guidelines for radiological imaging in head injuries (RHSCE emergency department head injury policy)

CT, computed tomography; GCS, Glasgow coma scale score; NAI, non-accidental injury; RHSCE, Royal Hospital for Sick Children, Edinburgh.
1998–1999 Radiological guidelines
Skull xray
History of head injury in a child of any age
Admission for observation and/or CT
Loss of consciousness more than 5 minutes
Amnesia
Persisting headache, vomiting, or lethargy
Coagulation or bleeding diathesis (also needs discussion with haematology)
Immediate CT of head
GCS less than 14
Focal neurological signs
Seizure (focal or prolonged)
Signs of base of skull fracture
? Penetrating injury
? Depressed fracture
2002–2003 Radiological guidelines
Skull xray
Age less than 1 year and visible evidence of head injury
Age less than 1 year and suspicious history for NAI
Admission for observation and/or CT
Loss of consciousness more than 5 minutes
Amnesia
Persisting headache, vomiting or lethargy
Coagulation or bleeding diathesis (also needs discussion with haematology)
Immediate CT of head
GCS less than 14
Focal neurological signs
Seizure (focal or prolonged)
Signs of base of skull fracture
? Penetrating injury
? Depressed fracture