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  2. Head injury - Wikipedia

    en.wikipedia.org/wiki/Head_injury

    A concussion is a form of a mild traumatic brain injury (TBI). This injury is a result due to a blow to the head that could make the person's physical, cognitive, and emotional behaviors irregular. Symptoms may include clumsiness, fatigue, confusion, nausea, blurry vision, headaches, and others. [7] Mild concussions are associated with sequelae ...

  3. Closed-head injury - Wikipedia

    en.wikipedia.org/wiki/Closed-head_injury

    More than 50% of patients who suffer from a traumatic brain injury will develop psychiatric disturbances. [6] Although precise rates of anxiety after brain injury are unknown, a 30-year follow-up study of 60 patients found 8.3% of patients developed a panic disorder, 1.7% developed an anxiety disorder, and 8.3% developed a specific phobia. [7]

  4. Second-impact syndrome - Wikipedia

    en.wikipedia.org/wiki/Second-impact_syndrome

    Second-impact syndrome (SIS) occurs when the brain swells rapidly, and catastrophically, after a person has a second concussion before symptoms from an earlier one have subsided. This second blow may occur minutes, days, or weeks after an initial concussion, [1] and even the mildest grade of concussion can lead to second impact syndrome. [2]

  5. Traumatic brain injury - Wikipedia

    en.wikipedia.org/wiki/Traumatic_brain_injury

    [12] [13] All traumatic brain injuries are head injuries, but the latter term may also refer to injury to other parts of the head; [14] [15] [16] however, the terms head injury and brain injury are often used interchangeably. [17] Similarly, brain injuries fall under the classification of central nervous system injuries [18] and neurotrauma. [19]

  6. Intracranial hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intracranial_hemorrhage

    Intracranial hemorrhage (ICH), also known as intracranial bleed, is bleeding within the skull. [1] Subtypes are intracerebral bleeds (intraventricular bleeds and intraparenchymal bleeds), subarachnoid bleeds, epidural bleeds, and subdural bleeds. [2] Intracerebral bleeding affects 2.5 per 10,000 people each year. [1]

  7. Concussion - Wikipedia

    en.wikipedia.org/wiki/Concussion

    A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. [8] Symptoms may include headache, dizziness, difficulty with thinking and concentration, sleep disturbances, mood changes, a brief period of memory loss, brief loss of consciousness; problems with balance; nausea; blurred vision; and mood changes.

  8. Post-traumatic amnesia - Wikipedia

    en.wikipedia.org/wiki/Post-traumatic_amnesia

    Post-traumatic amnesia (PTA) is a state of confusion that occurs immediately following a traumatic brain injury (TBI) in which the injured person is disoriented and unable to remember events that occur after the injury. [1] The person may be unable to state their name, where they are, and what time it is. [1]

  9. Brain injury - Wikipedia

    en.wikipedia.org/wiki/Brain_injury

    Brain injury; Other names: Brain damage, neurotrauma: A CT of the head years after a traumatic brain injury showing an empty space where the damage occurred, marked by the arrow: Specialty: Neurology: Symptoms: Depending on brain area injured: Types: Acquired brain injury (ABI), traumatic brain injury (TBI), focal or diffuse, primary and secondary