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Doctor insights on: What Is A Lumbar Puncture

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What is a lumbar puncture?

What is a lumbar puncture?

Diagnostic test: A lumbar puncture is a test where a needle is inserted into the spinal canal to draw out a small amount of cerebral spinal fluid for diagnostic testing purposes, such as diagnosing meningitis. ...Read more

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Dr. Michael Gabor
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Lumbar (Definition)

The lumbar part of the spine is the low back. It is made up of five bones (most of the time) stacked one on top of the other. They are connected by disks, facet joints, and ligaments. These soft parts allow for movement controlled by the spinal muscles; the muscles can also keep it stiff when need be. The lumbar spine also contains and protects nerves to ...Read more


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What does a lumbar puncture actually help to prove?

What does a lumbar puncture actually help to prove?

Spinal fluid answers: The question: does the patient have intracranial bleeding? (presence red cells or xanthochromia) or infection present? (presence of white cells, bacteria, viral culture/antigens) or multiple sclerosis (presence of abnormal proteins). Also a l.P. (lumbar puncture) may show a high opening pressure which is a sign of pseudo-tumor (cause of chronic headaches). L.P. 's are safer now done under xray. ...Read more

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Need a simple explaination for this. What is a lumbar puncture?

Need a simple explaination for this. What is a lumbar puncture?

Retrieval of fluid: A lumbar puncture is a diagnostic procedure in which a sample of the fluid that bathes the brain and spinal cord is retrieved for analysis. This is useful in the diagnosis of multiple diseases, including multiple sclerosis, meningitis, encephalitis, and some autoimmune diseases. In some diseases with elevated fluid pressure, such as pseudotumor cerebri, a lumbar puncture can also be therapeutic. ...Read more

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What is a lumbar puncture like and how come you have to lie on your back afterwards?

Spinal tap: This is a procedure for evaluation of the fluid that bathes the spinal cord and allows the brain to float. It can be done with or without x-ray. You have to lie on your back because the hole that is made by the needle to draw the fluid out needs to seal. If you sit up, gravity will allow too much fluid to drain and your brain will sink. This may cause bad headaches and occasionally brain bleed. ...Read more

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What tests besides lumbar puncture can be used to diagnose ms?

MRI: An MRI of brain with and without contrast can be very diagnostic, but often MRI of neck added in ambiguous cases. The lumbar puncture certainly can be confirmatory, especially with elevated oligoclonal bands, but often is not necessary if other studies are convincing. We very rarely use evoked potentials these days, but might also assist in some cases. ...Read more

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What tests besides lumbar puncture can be used to diagnose ms?

What tests besides lumbar puncture can be used to diagnose ms?

MRI: An MRI of brain with and without contrast can be very diagnostic, but often MRI of neck added in ambiguous cases. The lumbar puncture certainly can be confirmatory, especially with elevated oligoclonal bands, but often is not necessary if other studies are convincing. We very rarely use evoked potentials these days, but might also assist in some cases. ...Read more

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What can a lumbar puncture test reveal? Having warm sensation on right side of body and can be sensitive to touch, stiff neck and back at times.

What can a lumbar puncture test reveal?
Having warm sensation on right side of body and can be sensitive to touch, stiff neck and back at times.

Spinal Tap: Lumbar puncture, or spinal tap, is a test of the cerebrospinal fluid. CSF is a clear fluid similar to saline in an IV, or eye drops, that surrounds the brain, spinal cord and spinal nerves that contains small amounts of proteins and sugars. The physician measures the pressure in the spine and collects samples of the fluid to test for diseases like meningitis, tumors, or Multiple Sclerosis. ...Read more

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I would like to know what is lumbar puncture?

Spinal tap: Needle inserted into lower back area into spinal canal to obtain spinal fluid for testing. Can evaluate possible infection, multiple sclerosis, various other diseases of brain and spinal cord. ...Read more

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What happens if a lumbar puncture is done too high?

May hit cord: Doing an LP too high up in the back risks hitting the spinal cord, which can damage the cord. It is best to do an LP below the level where the actual spinal cord ends since the needle is designed to slide by nerve roots. ...Read more

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What all does a lumbar puncture test for? And what kind of dr. Would i go to when im always sick and in pain and always feeling week?

Multiple things: Lp tests for infections and types of infections, bleeding in the brain that's not obvious by ct scan, pressure of the brain, cytology for certain cancer, and other diseases like rheumatologic problems through the types of proteins seen. Go to your internist as they can make decisions for referral. Also your meds and psychological well being can attribute to your symptoms. ...Read more

Dr. Dariush Saghafi
372 doctors shared insights

Lumbar Puncture (Definition)

To test for meningitis or multiple sclerosis or a variety of problems, a small needle is inserted into the lumbosacral cistern to obtain spinal fluid for testing ...Read more