concussion

Concussion, also known as mild traumatic brain injury (mTBI), is typically defined as a head injury that temporarily affects brain functioning. Symptoms may include headaches, trouble with thinking, memory or concentration, nausea, blurry vision, sleep disturbances or mood changes.

common causes

  • Your brain has the consistency of gelatin. It’s cushioned from everyday jolts and bumps by cerebrospinal fluid inside your skull.
  • A violent blow to your head and neck or upper body can cause your brain to slide back and forth forcefully against the inner walls of your skull.
  • Sudden acceleration or deceleration of the head, caused by events such as a car crash or being violently shaken, also can cause brain injury.
  • These injuries affect brain function, usually for a brief period, resulting in signs and symptoms of concussion.
  • This type of brain injury may lead to bleeding in or around your brain, causing symptoms such as prolonged drowsiness and confusion. These symptoms may develop immediately or later.
  • Such bleeding in your brain can be fatal. That’s why anyone who experiences a brain injury needs monitoring in the hours afterward and emergency care if symptoms worsen.
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