Traumatic Brain Injury (Exam 4) Flashcards
TBI is the #1 killer of ____ and ____.
Children and Young Adults.
____ twice as often as ____.
Men, Women
Typical patient is ____ to ___ years of age.
15-24 years of age.
75 years of age usually due to ____.
Falls
_____ is the only cure for head injury.
Prevention
Include skull fractures and open wounds.
Open Head Injuries
Skull remains intact such as concussion, contusion, and hematomas.
Close Head Injuries
Assessment of level of arousal and brain function.
Glasgow Coma Scale
Most commonly lobes injured.
Parietal, Frontal Lobes
Spatial Relations
Parietal
Judgement, Reasoning
Frontal
Factors Influencing Outcomes
Premorbid Status, Primary Damage.
Includes clots, contusions, lacerations, or combo. Under site of impact.
Local Brain Damage
Coup-Countrecoup
Polar Brain Damage
Diffuse Axonal Injury
Diffuse Brain Injury
Momentary loss of consciousness, reflexes. Possible amnesia. No structural damage to brain but a disruption of synapses.
Concussion
Bruising of the surface of brain. Hemorrhage of small blood vessels. Local injury.
Contusion
Damage to brain directly under site of impact and directly opposite.
Coup-Countercoup Injury
Widely scattered shearing of subcortical axons.
Diffuse Brain Injury
Lack or absence of oxygen.
Hypoxic Ischemic Injury
Compress of brain due to expanding hematoma.
Intracranial Hematomas
Between dura mater and skull. Forms rapidly, common with blow to head. Requires craniotomy (evacuation) of hematoma.
Epidural Hematoma
Between dura and arachnoid mater. Usually forms over several hours or a week. Common in elderly after a fall, mimics CVA. Small hematomas can be reabsorbed.
Subdural Hematoma
Hematoma within the main part of the brain.
Intra-Cerebral Hematoma