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NeurologicalICD-10: S06About 2.8 million TBI-related emergency department visits in the US annually

Traumatic Brain Injury

Also known as: TBI, Head injury, Concussion

Traumatic brain injury occurs when an external force causes damage to the brain, ranging from mild concussions to severe injuries that can result in prolonged unconsciousness or permanent disability. Common causes include falls, vehicle accidents, sports injuries, and violence. The severity of a TBI determines the treatment approach and long-term outlook.

Symptoms

Headache
Confusion or disorientation
Dizziness or loss of balance
Nausea or vomiting
Loss of consciousness
Memory problems around the time of injury
Blurred vision
Sensitivity to light and sound
Mood changes or irritability
Difficulty concentrating
Sleep disturbances

Causes

  • Falls, especially in older adults and young children
  • Motor vehicle accidents
  • Sports and recreational injuries
  • Violent assaults including domestic violence
  • Blast injuries in military settings

Risk Factors

  • Age groups at extremes: young children and adults over 65
  • Male sex
  • Participation in high-contact sports
  • Military service
  • History of previous concussions
  • Alcohol or substance use

Diagnosis

  • Glasgow Coma Scale assessment
  • CT scan to detect bleeding, bruising, or skull fractures
  • MRI for detailed brain tissue evaluation
  • Neuropsychological testing for cognitive function
  • Intracranial pressure monitoring in severe cases

Treatment

  • Rest and gradual return to activities for mild TBI
  • Emergency surgery for bleeding or swelling in the brain
  • Medications to manage seizures, pain, and intracranial pressure
  • Rehabilitation including physical, occupational, and speech therapy
  • Cognitive behavioral therapy for emotional and behavioral changes
  • Long-term supportive care for severe TBI

Prevention

  • Wearing seat belts and using child car seats
  • Wearing helmets during sports and cycling
  • Preventing falls with home safety modifications for older adults
  • Following concussion protocols in sports

When to See a Doctor

  • Any loss of consciousness after a head injury
  • Persistent or worsening headache after head trauma
  • Repeated vomiting or seizures after a head injury
  • Confusion, slurred speech, or unequal pupil size

Frequently Asked Questions

Related Conditions

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