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19 Cards in this Set
- Front
- Back
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LP is indicated if you suspect ___ (5)
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SAH
meningitis encephalitis MS GBS |
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5 LP contraindications
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increased ICP
reduced level of consciousness coagulopathy infection over puncture site uncooperative patient |
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to rule out increased ICP, do ___
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brain CT
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5 tubes of LP
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1: CBC
2: chemistry 3: microbiology 4: cytology 5: 2nd RBC count |
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CBC tube is checked for ___
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RBCs
WBCs xanthochromia |
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normal values for:
RBC WBC color |
0
0-5 clear |
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normal differential for WBCs, if present
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100% mononuclear
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xanthochromia, if present, indicates ___ or ___
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SAH
neoplasm |
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bacterial infection causes ___ colored CSF
viral infection causes ___ colored CSF MS causes ___ colored CSF GBS causes ___ colored CSF |
opaque yellow
clear or opaque clear cloudy |
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values checked in chemistry tube
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Glc
protein |
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Glc in CSF is compared with ___
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serum Glc
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normal CSF Glc is ___% of serum
in bacterial infection it's ___% in viral infection it's ___% |
67
<25 67 |
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protein is high in ___ (2)
it is moderately elevated or normal in ___ (2) |
bacterial infection
GBS viral infection MS |
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protein in:
bacterial infection GBS viral infection |
100--500 mg%
100--1000 mg% 80--200 mg% |
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MS CSF finding
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oligoclonal IgG bands
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2 important microbiology tests
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Gram stain
PCR for HSV |
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tube 5 indicates traumatic tap if ___
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fewer RBCs than tube 1
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pressure in bacterial infection is ___
in viral it's ___ |
high
normal |
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WBC differential in bacterial is ___
in viral it's ___ |
neutrophilic
lymphocytic/monocytic |
