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Common Types of Closed Head Injuries

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Closed head injuries account for approximately 75 percent of the 17 million brain injuries suffered annually in the United States. According to the CDC (The Center for Disease Control and Prevention), closed head injuries are a prime concern for public health and well-being, as they result in life-long physical, cognitive, and psychological damage—and are the leading cause of infant and child deaths.

So, what exactly are closed head injuries?

Deadly Closed Head Injuries

Closed head injuries are brain injuries sustained completely inside the skull, where the skull itself isn’t damaged. Types of closed head injuries include:

  • Concussion – When normal functions of the overall brain are temporarily disrupted, generally caused by a minor to severe blow to the head.
  • Intracranial hematoma – When a blood vessel bursts, causing blood to pool and dangerously increase pressure on the brain. A stroke, blow to the head, rigorous shaking, or excessive pressure can cause blood vessels to burst without showing physical signs on the head or skull.
  • Cerebral contusion – When the brain is bruised as a result of external trauma causing the brain to shift, bump, ram, or collide with the inside of the skull.
  • Diffused axonal injury – When the brain’s nerve cells are damaged, and can no longer communicate or send messages to other parts of the body. These types of injuries are commonly sustained in car accidents and are usually the most debilitating—leading to comas, paralysis, and death.


Closed head injuries are extremely dangerous, and should not be treated lightly. If you have any cause for concern that you may have sustained, or are currently experiencing, a closed head injury, seek medical attention immediately. Time lost, is unfortunately brain lost, so don’t hesitate. Even if you believe the injury was minor, your brain function isn’t something you should gamble with. Know your risks and take the proper course of action for yourself, your brain, and your family.

Make sure your family and friends know their traumatic brain injury risks. Share this page with them via Facebook, or tell them to contact us directly to discuss any potential questions or concerns they may have about a recent accident.

Category: Brain & Spinal Injury


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