risk factors for abnormal head CT

Include: 1) age > 60 years 2) immunocompromised status 3) history of previous CNS disease 4) seizure during the previous week 5) neurologic findings a) abnormal level of consciousness b) cognitive, visual, motor or language deficits

References

Journal Watch 22(2):17, 2002 Hasbun et al, N Engl J Med 345:1727, 2001