Medical Dictionary

traumatic brain injury

noun

medical Definition of traumatic brain injury

:an acquired brain injury caused by external force (as a blow to the head sustained in a motor vehicle accident or fall or shrapnel or a bullet entering through the skull)
  • A soldier—or a civilian—can survive the blast without a single penetrating wound and still receive the worst diagnosis: traumatic brain injury, or TBI, the signature injury of the Iraq War.
  • —Michael MasonDiscover24 Feb. 2007
  • An unprotected fall, especially if the player is unconscious or his opponent lands on top of him, can result in severe traumatic brain injury.
  • —Michael J. Stuart et al.USA Today31 Oct. 2013
; broadly :acquired brain injury abbreviation TBI

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