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11 Cards in this Set
- Front
- Back
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symptoms of increased ICP
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decreased LOC
Cushing's Triad (decreased HR, increased pulse pressure & decreased respiratory rate) pupillary changes (late sign) |
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normal cerebral perfusion pressure
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60-100 mm Hg
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CPP defined
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MAP-MICP
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result of CPP < 60
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brain ischemia
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supertentorial herniation
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cingulate, central, uncal
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cingulate herniation
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1 hemisphere shift into the other; LOC, change in mental status
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central herniation
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downward shift of hemispheres, basal ganglia, diencephalon through tentorial notch
decreased LOC weakness respiratory changes small reactive pupils bilateral babinski decorticate posturing (arms flexed) |
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hallmarks of central herniation
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small reactive pupils
decorticate posturing |
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hallmarks of uncal herniation
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unilateral pupil dilation
homoynous hemianopia decertibrate posturing paralysis on one side (opposite injury) |
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tonsilar herniation
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really bad - cerebellum herniates into foramen magnum
pressure on cardiac/respiratory centers |
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ICP medications/tx
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fluid restriction
mannitol lasix corticosteroids BP control |
