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. Author manuscript; available in PMC: 2017 Mar 6.
Published in final edited form as: Acad Emerg Med. 2016 Jan 14;23(2):171–178. doi: 10.1111/acem.12859

Table 1.

PECARN Definition of TBI on Head CT Imaging

Intracranial hemorrhage or contusion
Cerebral edema
Traumatic infarction
Diffuse axonal injury
Shearing injury
Sigmoid sinus thrombosis
Midline shift of intracranial contents or signs of brain herniation
Diastasis of the skull
Pneumocephalus
Skull fracture depressed by at least the width of the table of the skull
HHS Vulnerability Disclosure