Immobilize cervical spine; use NEXUS or Canadian C-spine rule to clear
Address ABCs of trauma; control bleeding
Avoid hypoxia, hyperventilation, hypotension
Red flags:
Declining consciousness
Restlessness, combativeness, agitation
Repeated vomiting
Focal neurologic deficit
Seizures
Imaging:
Adults: Canadian Head CT Rule
Children: PECARN Rule
Mnemonic: “Concussion Always Makes People Doubt My Skills In Assessment”
C – Concussion/TBI history (number, most recent)
A – Alcohol/drug use
M – Mechanism of injury
P – Psychiatric history
D – Developmental disorder
M – Migraine history
S – Seizure history
I – Intracranial surgery
A – Anticoagulation/antiplatelets/coagulopathy
Symptoms (Mnemonic: “Learn About Concussion. It Can Have Very Serious Recall Problems”):
Loss of consciousness
Answering questions slowly
Confusion / mental status change
Irritability / behavior change
Balance problems
Headache
Vomiting / vertigo / vision changes
Seizures
Repetitive questioning
Photophobia / phonophobia
Signs of basal skull fracture: retroauricular bruising, periorbital bruising, hemotympanum, CSF leak
Balance & gait: Romberg, tandem gait
VOMS (Vestibular/Ocular-Motor Screening)
Full neurologic exam
High symptom burden at presentation
Older age, female sex
Pre-existing psychiatric illness
Previous TBI with prolonged symptoms
Fewer years of education
Migraine or seizure history
Lower GCS
Photophobia/phonophobia or slow responses at presentation
Traumatic intracranial lesion on CT
Balance/oculomotor abnormalities
Significant extracranial injury
Children: Use 5P’s Rule
Headache: NSAIDs or paracetamol (avoid opioids)
Nausea: Ondansetron
Explain: diagnosis, expected symptoms, warning signs
When to return: worsening headache, vomiting, confusion, seizures, focal deficits
Rest: 2–3 days of relative physical & mental rest
Avoid prolonged inactivity
Limit screen time for 48 hrs
Gradual return to activity as tolerated; pause briefly if symptoms worsen, then resume
Avoid high-risk activities until cleared
Provide written handouts:
Offer documentation for school/work accommodations
Use as a teachable moment: discuss safety & risk reduction
Referral:
Outpatient TBI specialty clinic for high-risk patients
Sports clearance cannot be given in ED if diagnosed with TBI
ACEP Point-of-Care Tools: Mild Traumatic Brain Injury
Faysal Subhani
Ayesha Saeed