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Questions and Answers
What is the primary purpose of examining the CSF in a lumbar puncture?
What is the primary purpose of examining the CSF in a lumbar puncture?
- To remove CSF to decrease pressure in the space around the spinal cord
- To measure the pressure of the CSF
- To check for cancer of the brain and spinal cord
- To examine cell counts, protein, and glucose levels (correct)
What condition would be a contraindication for performing a lumbar puncture?
What condition would be a contraindication for performing a lumbar puncture?
- Infected skin over the puncture site
- Injecting chemotherapy drugs into the CSF
- Increased intracranial pressure (ICP) (correct)
- Bleeding around the brain or spinal cord
What is NOT a potential use of a lumbar puncture?
What is NOT a potential use of a lumbar puncture?
- Putting an anesthetic into the CSF to freeze the spinal cord
- Injecting chemotherapy drugs into the CSF
- Measuring the pressure of CSF in the space around the spinal cord
- Treating cancer of the brain and spinal cord (correct)
What is a potential risk associated with performing a lumbar puncture?
What is a potential risk associated with performing a lumbar puncture?
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Which test is NOT typically conducted using CSF obtained from a lumbar puncture?
Which test is NOT typically conducted using CSF obtained from a lumbar puncture?
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Study Notes
Lumbar Puncture
- Lumbar puncture (LP), also known as spinal tap, is a medical procedure where a needle is inserted into the spinal canal to collect cerebrospinal fluid (CSF) for diagnostic testing.
Reasons for Lumbar Puncture
- The primary reason for LP is to diagnose diseases of the central nervous system, including the brain and spine.
Diseases Diagnosed Using Lumbar Puncture
- Meningitis
- Encephalitis
- Certain cancers involving the brain and spinal cord
- Bleeding in the subarachnoid space
- Reye syndrome
- Myelitis
- Neurosyphilis
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