| Term 
 | Definition 
 
        | damage results from penetration of the skull or from rapid acceleration or deceleration of the brain (contrecoup -- causing frontal and temporal lobe damage) 
 injuries resulting in TBI:
 skull fractures
 closed head injuries
 penetrating wounds of skull or brain
 traumatic injury to extracranial blood vessels
 nerve tissues, blood vessels, and meninges are sheared, torn, or ruptured, resulting in hemorrhage, edema, ischemia
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        |  | 
        
        | Term 
 
        | TBI prevalance, onset, prognosis |  | Definition 
 
        | prevalence: males x2 likely, highest risk group between 15 and 29 years; 400,000 new TBIs reported each year 
 onset: any
 
 prognosis: responsible for more deaths and disabilities than any other neurologic cause in population under 50
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        | Term 
 | Definition 
 
        | concussion characterized by post-traumatic loss of consciousness 
 cerebral contusion/laceration/edema accompanied by surface wounds and skull fractures
 
 variety of symptoms:
 1. hemiplegia or monoplegia or abnormal reflexes
 2. decoritcate or decerebrate rigidity
 3. fixed pupils
 4. coma
 5. changes in vital signs
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | administration of Glasgow Coma scale 
 administration of Rancho Los Amigos Levels
 
 CT scan and MRi to visualize intracranial structure and damage
 |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | resuscitation management of respiratory dysfunction
 cardiovascular monitoring
 surgical, pharmacologic, or mechanical means to decrease intracranial pressure
 neurosurgery to manage lacerated vessels and depressed skull fractures
 pharmacologic interventions:
 1. antibiotics
 2. anticonvulsants
 3. sedatives
 4. antidepressants
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