Traumatic Brain Injury Flashcards
Alteration of brain function secondary to an external force
TBI
5 sources of TBI
Falls, MVA, Sport-related, Violence, Blast Injury
Two classifications of TBI
Open head and Close head
Classifications of TBI: Mild TBI
Close head
Classifications of TBI: Skull is open and damaged dura mater
Open head
Classifications of TBI: Most common
Close head
Classifications of TBI: Penetrating
Open head
Classifications of TBI: Skull remains intact
Close head
Classifications of TBI: Severe TBI
Open head
3 types of Primary Brain Injury
Diffuse Axonal Injury, Concussion, Contusion
Primary Brain Injury secondary to high-velocity forces
Diffuse Axonal Injury
Primary Brain Injury secondary to shaking of the brain
Concussion
Primary Brain Injury secondary to low-velocity forces
Contusion
DAI MOI
Acceleration-deceleration angular forces (MVA)
Three sites of DAI
Corpus Callosum, Parasagittal white matter, Pons & midbrain
DAI is responsible for _______?
Initial LOC and Coma
Concussion is responsible for ________>
Alterations of consciousness
It is a distinguishing feature of TBI
DAI
The most common site of DAI
Corpus Callosum
Two other names of Concussion
Mild TBI/Mild DAI
Level of Consciousness: (+) visual tracking
Minimally Conscious State
Level of Consciousness: (+) Ventilator support
Coma state
Level of Consciousness: (+) Sleep-wake cycle
Vegetative state
Level of Consciousness: Mildly depressed
Lethargy