Medical Dictionary

acquired brain injury


Medical Definition of acquired brain injury

  1. :  mild to serious injury to the brain (as from stroke, near drowning anoxia, encephalitis, brain tumor, or a blow to the head) that is not congenital, hereditary, or degenerative and that causes temporary or permanent symptoms including impairments in cognition (as memory loss or poor concentration), emotional and behavioral changes (as irritability, impulsivity, agitation, and depression), headaches, dizziness, fatigue, seizures, blurred vision, loss of taste or smell, impaired coordination, and numbness or paralysis of an extremity According to the University of Georgia, acquired brain injury (ABI) is the leading cause of death and disability for children and young adults. It also can result at any age from aneurysms, brain tumors, infectious diseases, strokes and drug abuse.—Mercy Medical Center (Springfield, Massachusetts), July 2003—abbreviation ABI; see traumatic brain injury

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to cast off or become cast off

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