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7 Cards in this Set

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Glasgow Coma Scale:
a. components
b. scales
a. eye (1-4), verbal (1-6), motor (1-5)
b. 3-15 (less 8 = severe. 9-12 = moderate)
- DECORTICATE = 3 on motor - bring forearms in 90 degrees
- DECEREBRATE = 2 on motor - total extension. worse prognosis

FLEXION BETTER THAN EXTENSION
CT Grading of TBI
I - no swelling
II - minimal swelling
III - cisterns absent
IV - shift + swelling
Evac - Evacuated mass lesion
Non-evac - Non-evac.
Treatment of TBI
Preventing 2ndary (IMPORTANT) injury...maintain ABC's, adequate perfusion. CT scan to determine level of injury.
2 Types of TBI
Focal: baseball bat (contusion/hematoma)

Diffuse Axonal (DAI): brain shift. auto accidents

Focal can progress to diffuse.
Morph. Events post-TBI
Necrosis/Apop --> Inflammation --> Atrophy (hippocampus sensitive)
Neurogenesis post-TBI

Epilepsy post-TBI
Neurogenesis of Dentate Gyrus...entorhinal cortex fibers overlap with septal fibers. Septal fibers replace entorhinal once ento. dies

YES! Risk factor
Dilated Pupils?
UNCAL HERNIATION!!! INCREASED ICP!!!
15 MINUTES BEFORE DEATH!!