Exam 2 Part 2 Flashcards
Neuronal connections are pulled apart and create micro lesions across large areas of brain; results in generalized damage to the brain and brainstem that are exposed to damaging forces
Diffuse axonal shearing
Injury to the brain that occurs as a result of stationary head being impacted by a moving object
Impact based TBI
What is an example of an impact based TBI?
Assault
What can an impact based TBI result in?
Focal damage to the brain at site of impact
When can diffuse axonal shearing occur?
High levels of G-force in coup contre-coup injury
Injury that penetrates the skull into the brain
Open head injury
_____ trauma and ____ may result in focal damage where penetration into the brain occurred
Ballistic, falls
Used to describe various types of trauma experiences by soldiers following IED blast
Polytrauma
Degenerative disease of the brain caused by repeated head trauma that manifests as dementia, confusion, memory loss, headache, depression, and excessive aggression
Chronic trauma encephalopathy
What are some closed head injuries in athletes?
Involvement in contact sports
Period of confusion following impact without loss of consciousness; symptoms may be unrecognized
Concussion
What are some symptoms of a concussion?
Impulsiveness, depression, irritability, chronic headache, dizziness, word finding trouble, vertigo
What are some motor deficits in TBI?
Severe gross and fine motor movement deficits, bilateral paresis/paralysis, or contralateral hemiplegia, abnormal muscle tone, motor speech disorders, apraxia, various dysarthria
Damage to cerebellum results in _____
Ataxia
Period of unconsciousness lasting more than six hours with individual is unable to be awakened and is unresponsive to sensory stimuli
Comatose/semi-comatose
