Department of Emergency Medicine, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.


There are considerable rates of pediatrics trauma referring emergency department following a traumatic event. The worried parents are requesting for the most sensitive diagnostic test, so emergency physicians ask them to underwent brain computed tomography (CT) scan. Lower threshold of decision making regarding use of brain CT scan results in huge number of normal imaging. On the other hand, radiation exposer of the child may accompanied with lots of side effects in future. It may highlight a question that “how to reduce the numbers of unnecessary brain CT scan of traumatic pediatric patients?”