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  2. Concussion grading systems - Wikipedia

    en.wikipedia.org/wiki/Concussion_grading_systems

    Concussion grading systems are sets of criteria used in sports medicine to determine the severity, or grade, of a concussion, the mildest form of traumatic brain injury. At least 16 such systems exist, [1] and there is little agreement among professionals about which is the best to use. [2] Several of the systems use loss of consciousness and ...

  3. Diffuse axonal injury - Wikipedia

    en.wikipedia.org/wiki/Diffuse_axonal_injury

    Specialty. Neurology. Diffuse axonal injury (DAI) is a brain injury in which scattered lesions occur over a widespread area in white matter tracts as well as grey matter. [1][2][3][4][5][6][7] DAI is one of the most common and devastating types of traumatic brain injury [8] and is a major cause of unconsciousness and persistent vegetative state ...

  4. Concussion - Wikipedia

    en.wikipedia.org/wiki/Concussion

    Concussion. Acceleration (g-forces) can exert rotational forces in the brain, especially the midbrain and diencephalon. A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. [9] Symptoms may include loss of consciousness; memory loss; headaches; difficulty with thinking ...

  5. Cerebral edema - Wikipedia

    en.wikipedia.org/wiki/Cerebral_edema

    Cerebral edema is excess accumulation of fluid (edema) in the intracellular or extracellular spaces of the brain. [1] This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels. [1] Symptoms vary based on the location and extent of edema and ...

  6. Glasgow Coma Scale - Wikipedia

    en.wikipedia.org/wiki/Glasgow_Coma_Scale

    MeSH. D015600. LOINC. 35088-4. The Glasgow Coma Scale[1] (GCS) is a clinical scale used to reliably measure a person's level of consciousness after a brain injury. The GCS assesses a person based on their ability to perform eye movements, speak, and move their body. These three behaviours make up the three elements of the scale: eye, verbal ...

  7. Subarachnoid hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Subarachnoid_hemorrhage

    Medical condition Subarachnoid hemorrhage Other names Subarachnoid haemorrhage CT scan of the brain showing subarachnoid hemorrhage as a white area in the center (marked by the arrow) and stretching into the sulci to either side Pronunciation / ˌ s ʌ b ə ˈ r æ k n ɔɪ d ˈ h ɛ m ər ɪ dʒ / Specialty Neurosurgery, Neurology Symptoms Severe headache of rapid onset, vomiting, decreased ...

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  9. Neurological examination - Wikipedia

    en.wikipedia.org/wiki/Neurological_examination

    89.13. MeSH. D009460. [edit on Wikidata] A neurological examination is the assessment of sensory neuron and motor responses, especially reflexes, to determine whether the nervous system is impaired. This typically includes a physical examination and a review of the patient's medical history, [1] but not deeper investigation such as neuroimaging.