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A 42-year-old male asked:
Dr. Bennett Machanic
52 years experience Neurology
Confusing: What does your doctor assume you have? Why have you had all of these tests so far, and i would assume others. Generalized weakness can be due to man ... Read More
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1 thank
Dr. Walter Husar
33 years experience Neurology
Uncertainty: I am unclear as to what is really going on. Appears that you have immune activity in the central nervous system. You have some cross-reactivity in the ... Read More
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1 thank

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A 41-year-old female asked:
Dr. Hunter Handsfield
53 years experience Infectious Disease
No HSV in CNS: With these tests, you're obviously under a doctor's care, maybe including an infectious diseases specialist or neurologist. They can answer these ques ... Read More
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1 thank
A 76-year-old male asked:
Dr. Deborah Josefson
28 years experience Internal Medicine
Spinal tap: CSF is cerebrospinal fluid which is obtained through a lumbar puncture or spinal tap. It would be sent for culture to check for bacterial vs. viral or ... Read More
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2 comments
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Dr. Marc Serota
14 years experience Dermatology
Similar to blood: A CSF culture is when you take a sample of CSF (usually from a lumbar puncture which samples the CSF from the spinal canal in the lower back - so yes ... Read More
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1 thank
A 28-year-old male asked:
Dr. Bennett Machanic
52 years experience Neurology
Meningitis: In order to uncover the culprit in a case of meningitis, spinal fluid is obtained, and an attempt to grow the organism in the lab follows (culture).
A 21-year-old member asked:
Dr. Richard Bensinger
52 years experience Ophthalmology
PCR test: There are several answers but the most universal is the polymerase chain reaction test used to multiply dna sampling to determine pathogens and also f ... Read More
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1 thank
A 50-year-old female asked:
Dr. Stephen Berns
20 years experience Pathology
Two things: You can have bands (immature neutrophils or acute inflammatory cells) in the CSF from blood contamination or acute inflammation in the CSF from diseas ... Read More
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3 thanks
A 28-year-old male asked:
Dr. Alan Ali
Dr. Alan Ali answered
32 years experience Psychiatry
CSF: Cerebrospinal fluid is the clear colorless fluid produced in the choroid plexus in the brain, and acts as a cushion or a buffer for the brain & spinal ... Read More
A 28-year-old male asked:
Dr. Alan Ali
Dr. Alan Ali answered
32 years experience Psychiatry
PCR: Polymerase chain reaction is used in molecular biology to amplify copies of dna. It is used in dna cloning for sequencing, functional analysis of gene ... Read More
A 25-year-old female asked:
Dr. Dheeraj Raina
29 years experience Psychiatry
Plasma: Plasma.
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1 thank
A 29-year-old member asked:
Dr. Joel Gallant
36 years experience Infectious Disease
Steps?: I'm not sure what you're asking. The "steps" are that you have your doctor order it, go to the lab, hold our your arm, and get the blood drawn. The ... Read More

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