Term
| Cerebrospinal fluid (CSF) |
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Definition
A clear, watery fluid that bathes the CNS
Cushions the brain
Maintains a stable interstitial fluid environment
An unltrafiltrate of plasma |
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Term
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Definition
| CSF is secreted by ependymal cells of the choroid plexus |
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Term
| What is the total volume of CSF in a human body? |
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Definition
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Term
| How much CSF is produced daily? |
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Definition
| 400-500mL and it is recycled three times per day |
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Term
| Normal CSF Values consist of |
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Definition
Clear
Less than 5 WBC
Diff=60-70% lymphocytes
No RBC
Less than 60 mg/dL of protein
Greater than 60mg/dL of glucose
Spec Grav= 1.006-1.009
Sterile |
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Term
| Clinical symptoms of bacterial meningitis are |
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Definition
Decrease in glucose. Less than 40mg/dL
Increase in protein. Greater than 250mg/dL
WBC increased 10-1,000 WBC
Diff= Mostly neutrophils
Culture= Positive |
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Term
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Definition
Culture = Negative
Glucose is normal
Protein is moderate. Less than 100mg/dL
WBC is less than 100/uL
Differential= Lymphocytes |
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