CASE STUDY ON Traumatic Brain Injury (TBI)

Jun 21st, 2015
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Alabama State University
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Traumatic Brain Injury (TBI) is a leading cause of death and disability in the U.S. The national head injury foundation defines TBI as a traumatic insult to the brain capable of causing physical, intellectual, emotional, social and vocational changes. Head injury known as traumatic brain injury, is the disruption of normal brain function due to trauma (blunt or penetrating injury).Neurologic deficits result from shearing of white matter, ischemia and mass effect from the hemorrhage, and cerebral edema of surrounding brain tissue.

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INTRODUCTION:Traumatic Brain Injury (TBI) is a leading cause of death and disability in the U.S. The national head injury foundation defines TBI as a traumatic insult to the brain capable of causing physical, intellectual, emotional, social and vocational changes.Head injury known as traumatic brain injury, is the disruption of normal brain function due to trauma (blunt or penetrating injury).Neurologic deficits result from shearing of white matter, ischemia and mass effect from the hemorrhage, and cerebral edema of surrounding brain tissue.TYPES OF BRAIN INJURIES:1) Concussion = involves jarring of head without tissue injury. Temporary loss of neurologic function lasting for a few minutes to hours.2) Contusion = involves structural damage. The patient becomes unconscious for hours.3) Epidural hematoma = blood collects in the epidural space between skull and dura matter. Usually due to laceration of the middle meningeal artery, symptoms develop rapidly.4) Subdural hematoma = a collection of blood between the dura and the arachnoid mater caused by trauma. This is usually due to tear of dural sinuses or dural venous vessels, symptoms usually develop slowly.5) Diffuse axonal injury = is a brain injury in which a high speed acceleration-deceleration injury, typically associated with motor vehicle crashes, causes widespread disruption of axons in the white matter.Risk Factors:>adults age 15-30>being over the age of 75>male to female ratio of 3:1Causes: >motor

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