what might the presence of occult blood in stools indicate?
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Presence of Occult Blood in the Stool? Presence of occult fecal blood in stool is often used as an indicator of peptic ulcers or colorectal cancer, depending on what other signs/symptoms are present. It's important to note that a POSITIVE test for occult blood does NOT automatically mean cancer. It is simply a sign that needs further investigation, usually by an colonoscopy, sigmoidoscopy or endoscopy to establish the root cause.
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Top 30 Doctor insights on: Causes Of Occult Blood In Urine Blood in UA: Occult blood is a potentially significant signal that something is wrong in the urinary tract, and should not be ignored. Depending on your age and history, it could be anything from a small stone to a cancer.
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Stool Guaiac Definition. The stool guaiac test looks for hidden (occult) blood in a stool sample. It can find blood even if you cannot see it yourself. It is the most common type of fecal occult blood test (FOBT). Guaiac smear test; Fecal occult blood test -- guaiac smear; Stool occult blood test -- guaiac smear. Usually, you collect a small sample of stool at home. Sometimes, a doctor may collect a small amount of stool from you during a rectal examination.
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- Sometimes the amount of blood is so small that it can only be detected by a fecal occult test (which checks for hidden blood in the stool). At other times it may visible on toilet tissue or in the toilet after a bowel movement as bright red blood.ometimes the amount of blood is so small that it can only be detected by a fecal occult test (which checks for hidden blood in the stool). At other times it may visible on toilet tissue or in the toilet after a bowel movement as bright red blood.
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- A fecal occult blood test detects blood in the stool by placing a small sample of stool on. a chemically treated card, pad, or wipe; then a chemical developer solution is put on top. of the sample. If the card, pad, or cloth turns blue, there is blood in the stool.
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Blood in the Stool The stool sample is then tested for fecal occult blood, which can indicate invisible, hidden blood in the stool. Your health care provider may also examine the rectum using a lighted instrument called an anoscope. An anoscpoe is inserted a short way into the rectum to look for causes of having blood in the stool.
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occult blood test occult blood test. a test for the presence of microscopic amounts of blood in the feces secondary to bleeding in the digestive tract. The minimal amounts of occult blood normally passed into the GI tract are not usually significant enough to cause a positive result for occult blood testing.
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What does Occult Blood in Urine Mean What does Occult Blood in Urine Mean. Occult blood is blood that cannot be seen without a microscope, so occult blood in urine indicate the presence of the red blood cells in the urine so indicating a problem. Another term commonly used for the same condition is hematuria.
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Fecal Occult Blood Tests Fecal Occult Blood Tests. The fecal occult blood test (FOBT) is a diagnostic examination used to detect blood in the feces (stool). Blood in the stool may be a sign of colorectal cancer or other problems such as polyps (growths that develop on the inner wall of the colon and rectum) or ulcers.
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Blood in the Stool Blood in the stool is sometimes accompanied by open bleeding from the rectum (rectal bleeding). Blood in the stool can be in such small quantities that it cannot be seen by the naked eye but can be detected by stool tests. This is called fecal occult blood, which may indicate a serious condition.
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What does Occult Blood in Urine Mean What does Occult Blood in Urine Mean. Occult blood is blood that cannot be seen without a microscope, so occult blood in urine indicate the presence of the red blood cells in the urine so indicating a problem. Another term commonly used for the same condition is hematuria. Usually, it is connected with some sort of the disorder in the kidneys; it can also be some sort of the urinary tract infection. Reasons for occult blood in urine. Firstly, this disorder can be caused by urinary tract infections with the viruses.
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occult blood test occult blood test examination by microscope or chemical test of a specimen (such as feces, urine, or gastric juice) for presence of blood that is not otherwise detectable. Feces are tested when intestinal bleeding is suspected but there is no visible evidence of blood.
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- Occult blood is blood that cannot be seen. without a microscope. Normal urine does not. contain any red blood cells, except females’. urine during menstruation. Occult blood in someone’s urine can indicate. kidney, bladder, prostate, or vaginal infections.
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Overview Typically, occult blood is passed in such small amounts that it can be detected only through the chemicals used in a fecal occult blood test. If blood is detected through a fecal occult blood test, additional tests may be needed to determine the source of the bleeding.
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- A. Occult blood is blood in the stool that is not visible to the naked eye. This type of bleeding is detected by performing a laboratory test on a stool sample.This answer should not be considered medical advice... This answer should not be considered medical advice and should not take the place of a doctor’s visit.. Occult blood is blood in the stool that is not visible to the naked eye. This type of bleeding is detected by performing a laboratory test on a stool sample.
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Fecal Occult Blood Test A fecal occult blood test checks a stool sample for blood that can't be seen with the naked eye. Blood in the stool is a sign of bleeding in the digestive tract. This could indicate cancer, polyps, hemorrhoids, diverticulosis, or inflammatory bowel disease, also called colitis. fecal occult blood test uses chemicals to find out if there is blood in a sample of feces. If your test is negative, your result is normal. If your test is positive, you had blood from your digestive tract in your stool sample.
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Fecal occult blood (December 2008). Fecal occult blood (FOB) refers to blood in the feces that is not visibly apparent (unlike other types of blood in stool such as melena or hematochezia). A fecal occult blood test (FOBT) checks for hidden (occult) blood in the stool (feces).Newer tests look for globin, DNA, or other blood factors including transferrin, while conventional stool guaiac tests look for heme.ecal occult blood (FOB) refers to blood in the feces that is not visibly apparent (unlike other types of blood in stool such as melena or hematochezia).
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- Occult gastrointestinal bleeding usually is discovered when fecal occult blood test results are positive or iron deficiency anemia is detected. Fecal occult blood testing methods vary, but all have limited sensitivity and specificity.t is normal to lose 0.5 to 1.5 mL of blood daily in the gastrointestinal tract, 3 and melena usually is identified when more than 150 mL of blood are lost in the upper gastrointestinal tract. 3 FOBTs have sufficient sensitivity to detect bleeding that is not visible in the stool.
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- Significance of Blood in the Stool. Blood in the stool is typically due to hemorrhoids or anal fissures, which is a tear in the lining of the anus. Both of these causes are easily remedied and are not serious. Blood in the stool can also indicate colon polyps, colon cancer, colitis and diverticulitis, and these are all diseases that require medical attention.
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Fecal occult blood Fecal occult blood. (Redirected from Faecal occult blood) Fecal occult blood (FOB) refers to blood in the feces that is not visibly apparent (unlike other types of blood in stool such as melena or hematochezia). A fecal occult blood test (FOBT) checks for hidden (occult) blood in the stool (feces).
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Overview Typically, occult blood is passed in such small amounts that it can be detected only through the chemicals used in a fecal occult blood test. If blood is detected through a fecal occult blood test, additional tests may be needed to determine the source of the bleeding.The fecal occult blood test can only detect the presence or absence of blood — it doesn't indicate potential sources of bleeding. 1  Why it's done.ccult blood in the stool may indicate colon cancer or polyps in the colon or rectum — though not all cancers or polyps bleed.
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Stool test One of the most common stool tests, the fecal occult blood test can be used to diagnose many conditions that cause bleeding in the gastrointestinal system including colorectal cancer or stomach cancer.ransport vials filled with human feces for stool testing. Yellow and blue tops for parasite testing, red top for stool cultures and the white top was provided by the patient with the sample.
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- The Fecal Occult Blood Test Learn more from WebMD about the fecal occult blood test, which is used to detect blood in the stool. Blood in Stool: Causes and Diagnosis WebMD explains the causes of bloody stools, the tests to diagnose the underlying problem, and treatment options.