CSF Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Normal CSF protein

A

15-45 mg/dl
* protein is filtered out

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2
Q

Elevated CSF protein indicates

A

Meningitis

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3
Q

Normal Glucose in CSF

A

60% to 70% of plasma concentration

  • blood collection should be done 2 hours before the spinal tap. Plasma glucose must be run simultaneously*
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4
Q

Normal CSF lactate

A

10 to 24 mg/dL

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5
Q

For monitoring of antibiotic treatment in CSF

A

CSF lactate

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6
Q

Normal Glutamine in CSF

A

8 to 18 mg/dl

associated with liver disorders

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7
Q

Gold standard for ID of Meningitis

A

Culture

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8
Q

Acid Fast Staining in CSF is for

A

Tuberculosis meningitis

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9
Q

India Ink in CSF

A

For Cryptococcus

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10
Q

More sensitive and highly specific test for CSF (potential use in urine and whole blood)
Use before symptom onset

A

Antigen Detection

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11
Q

CSF Testing:
* marked elevation in protein
* marked decrease in glucose
* >35mg/dL lactate
* WBC: elevated neutrophils

A

Bacterial Infection

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12
Q

Limulus lysate Test

A

Detect endotoxin (specific for bacteria that produce endotoxin)

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13
Q

Volume of CSF produced per hour

A

20 mL

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14
Q

Total CSF volume

A

Adults: 90 - 150 mL
Neonates: 10 - 60 mL

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15
Q

At what level does the spinal cord end? At what level should CSF be collected?

A

Lower border of L

.CSF is collected between L3-L4 or L4-L5. The interspace between L4-L5 is at the level of the iliac crest

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