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8 Cards in this Set
- Front
- Back
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What is the blood brain barrier permeable to? |
-water, gases, and lipid soluble substances -slightly to electrolytes |
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What is the blood brain barrier impermeable to? |
-plasma proteins and other organic molecules (glucose) |
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Vertebral Artery Dissection |
-happens with high-velocity manipulation -causes dizziness, balance issues, stroke signs, and vision loss |
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Brain Aneurysms |
-a weakening in the arterial wall
-usually happens at bifurcations -common at circle of Willis |
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Lacunar Infarcts |
-infarct of small AA -common at basal ganglia and internal capsule -leaves holes in nervous tissue |
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Subdural Hematoma |
-tearing of a vein -slow bleed so symptoms are delayed -common in elderly |
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Epidural Hematoma |
-outside of dura -often because of skull fracture -fast bleed so symptoms are quick |
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Hydrocephalus |
Communicating - nothing blocking CSF flow Non-communicating - something blocking Normal Pressure - causes gait disturbances, decreased cognition and incontinence |
