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Doctor insights on: Stool Guaiac Test

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Feces (Definition)

Feces is the product of ...Read more


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Will a stool culture detect h.pylori?

Will a stool culture detect h.pylori?

Stool antigen: Three methods can be used to diagnose H pylori infection: 1. Upper GI tract biopsy, histologic exam, rapid urease testing, culture 2. Urea breath test employing 14C or 13C-urea 3. Stool antigen detection. So not a stool culture per say, but looking for the presence of H. Pylori antigen in the stool. ...Read more

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Faecal occult blood test positive danger?

Faecal occult blood test positive danger?

Maybe: The fecal occult blood test can be quite sensitive and may show blood in the stool from minor gastritis or esophagitis that is not significant. But, it could also be due to a large polyp or tumor so colonoscopy is always indicated when the fecal occult blood test is positive. Your primary doctor should be arranging this in the near future. ...Read more

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.How reliable is stool occult blood?

.How reliable is stool occult blood?

Not at ALL: It is not reliable at all. If it is positive, that tells us something needs to be checked. If it is negative, doesn't mean anything. It has a very high false negative rate - meaning, even if something is there, it doesn't detect it. ...Read more

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Erosive gastritis. h.pylori blood test positive, breath test positive, stool antigen test negative, biopsy negative. what to do ?

Erosive gastritis. h.pylori blood test positive, breath test positive, stool antigen test negative, biopsy negative.  what to do ?

Treat it: The positive H. pylori antibody test is not a reliable indicator of current infection. The gold standard for H. pylori treatment is the gastric biopsy, and this is negative in this patient. However, I am impressed by the positive breath test and erosive gastritis. I would have expected stool antigen to be positive, as it mirrors the breath test. Given the discrepant results, treat the patient. ...Read more

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Pregancy stool softner?

Pregancy  stool softner?

Over the counter : There are a few of them that are over the counter. Docusate sodium and MiraLAX (polyethylene glycol) should work. Also drink a lot of water daily. Also can eat prunes or drink prune juice. ...Read more

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Will mucus in stool cause a false positive for blood in a FOBT stool test?

Will mucus in stool cause a false positive for blood in a FOBT stool test?

No: But depending on the test method there are other causes of false positive. Did you do a guiac test of FIT test. FIT test has fewer false positives, but it only detects colonic bleeds. ...Read more

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Abdominal pain, frequent mucus loose stools, All negative H.pylori antigen, blood stool sample, CBC, ESR, CRP, Ferrin, celiac screening.? Is IBS ?

Abdominal pain, frequent mucus loose stools, All negative H.pylori antigen, blood stool sample, CBC, ESR, CRP, Ferrin, celiac screening.? Is IBS ?

That is: a likely conclusion but you should consult with the doctor ordering all these tests, and who also examined you. This is where you should seek your diagnosis ...Read more

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Docs, could a blood test or urine test detect chlamydia?

Docs, could a blood test or urine test detect chlamydia?

Testing: Chlamydia tests include a culture that may take 5 to 7 days to grow. A direct fluorescent antibody test looks for antigens. A nucleic acid hybridization test or a nucleic acid amplification test looks for chlamydia dna &enzyme –linked immunosorbent assay. Directing sampling uses fluids from cervix, urethra throat, eye (whichever area is impacted). Urine testing is also possible. ...Read more

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Why is fecal occult blood test important?

Why is fecal occult blood test important?

Cancer: Blood in stool represents bleeding somewhere in the gastrointestinal tract. It needs be investigated by a GI specialist, especially to exclude colon cancer. ...Read more

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If feces for a fecal occult blood test touch toilet can it give false negative when testing ?

If feces for a fecal occult blood test touch toilet can it give false negative when testing ?

No: Lukas, you're a grown man now and you recognize that you have health concerns that are unrealistic. In a way it's good -- you'll be more vigilant -- but if these fears are preventing you from finding the peace you need to work, play and love, then some structured self-exploration might set you free. Be brave, and best wishes. ...Read more

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Are occult blood tests for colon cancer reliable?

Are occult blood tests for colon cancer reliable?

Screening: It is a good start specially of yo had before and they were normal. ...Read more

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How accurate are tests these days. Like hiv. Stool test. Cancer test.

How accurate are tests these days. Like hiv. Stool test. Cancer test.

Lab tests: Are only as good as the doc who interprets them an then treats. If the lab is federally certified it has met certain standards. Using the same lab for comparison to previous testing is best. So, lab testing can be extremely helpful. Peace and good health. ...Read more

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Does a regular stool analysis show blood in stool?

Does a regular stool analysis show blood in stool?

Usually not: Usually a "stool analysis" is looking for pathogenic bacteria. It is quite easy to test for however, just ask your doctor. ...Read more

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What does a standard stool sample test for?

What does a standard stool sample test for?

Occult blood: The single most common test done on a stool sample is a very sensitive test for any blood in the stool; it is 'occult' because there is no blood one can see by sight. It is used as a screen for blood cells that could come from any place in the GI tract, even some blood in the mouth, like gums. It may serve to help find a cause of anemia or a screen for colon disorders; colonoscopy may come next. ...Read more

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