Monitor for increased ICP
headache, nausea and vomiting, seizure, lethargy, hypertension, bradycardia, agonal respirations, posturing
Monitor for herniation
Ipsilateral fixed and dilated pupil
Contralateral motor paralysis
Bilateral pinpoint pupils suggests opiate use or pontine lesion
headache, nausea and vomiting, seizure, lethargy, hypertension, bradycardia, agonal respirations, posturing
Ipsilateral fixed and dilated pupil
Contralateral motor paralysis
Consider head CT (rule out intracranial hemorrhage)
Use validated decision rule to determine need
Avoid CT in patients with minor head injury who are at low risk based on validated decision rules.
Consider cervical and/or facial CT
Use validated decision rule to determine need
Avoid CT in patients with minor head injury who are at low risk based on validated decision rules.
Traumatic intracerebral hemorrhage
Intra-axial
Subdural hemorrhage
Hemorrhagic stroke 
Traumatic hyphema
Subarachnoid hemorrhage
Extra-axial
Subdural empyema