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Yellow and blue tops for parasite testing, red top for stool cultures and the white top was provided by the patient with the sample. A stool test is a medical diagnostic technique that involves the collection and analysis of fecal matter. Microbial analysis (culturing), microscopy and chemical tests are among the tests performed on stool samples.
A fecal pH test is one where a specimen of feces is tested for acidity in order to diagnose a medical condition. The pH of human feces is variable but usually alkaline. An acidic stool can indicate a digestive problem such as lactose intolerance, an infection such as E. coli or rotavirus, or overgrowth of acid-producing bacteria (such as lactic acid bacteria).
The stool guaiac test or guaiac fecal occult blood test ( gFOBT) is one of several methods that detects the presence of fecal occult blood [1] ( blood invisible in the feces ). [2] The test involves placing a fecal sample on guaiac paper (containing a phenolic compound, alpha-guaiaconic acid, extracted from the wood resin of Guaiacum trees) and ...
A stool culture—the controlled growth of microbial organisms in culture media under laboratory conditions—sometimes is performed to identify specific pathogens in stool. The stool guaiac test (or guaiac fecal occult blood test) is conducted to detect the presence of blood in stool that is not apparent to the unaided eye.
Alkali denaturation test. Purpose. differentiate neonatal from maternal blood. The alkali denaturation test, also known as A or Apt test, is a medical test used to differentiate fetal or neonatal blood from maternal blood found in a newborn's stool or vomit, or from maternal vaginal blood. [1] [2]
Fecal Immunochemical Test (FIT) is a diagnostic technique that examines stool samples for traces of non-visible blood, which could potentially indicate conditions including bowel cancer. [1] Symptoms which could be caused by bowel cancer and suggest a FIT include a change in bowel habit, anaemia, unexplained weight loss, and abdominal pain.
Oily stool, a.k.a. steatorrhea. Steatorrhea refers to bulky, foul-smelling, oily stool that tends to be pale in color and float in the toilet bowl, resisting flushing. (These are the 9 most common ...
Stool osmotic gap. Stool osmotic gap is a measurement of the difference in solute types between serum and feces, used to distinguish among different causes of diarrhea . Feces is normally in osmotic equilibrium with blood serum, which the human body maintains between 290–300 mOsm/kg. [1] However, the solutes contributing to this total differ.
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