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The stool guaiac test involves fasting from iron supplements, red meat (the blood it contains can turn the test positive), certain vegetables (which contain a chemical with peroxidase properties that can turn the test positive), and vitamin C and citrus fruits (which can turn the test falsely negative) for a period of time before the test.
The sensitivity of a single-stool guaiac test to pick up bleeding has been quoted at 10 to 30%, but if a standard three tests are done as recommended the sensitivity rises to 92%. [57] Reduced patient compliance with the collection of three samples hampers the usefulness of this test.
The 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 .
A stool test is a medical diagnostic technique that involves the collection and analysis of fecal matter. Microbial analysis (culturing), microscopy and chemical ...
Slide tests are based on orthotolidine (Hematest reagent tablets and Bili-Labstix) or guaiac (Hemoccult and Gastroccult). There is some evidence that orthotolidine-based tests more sensitive than specific, the Hemoccult test's sensitivity reduced by the acidic environment; and the Gastroccult test be the most accurate. [11]
Stool guaiac test; Sudan stain This page was last edited on 3 April 2018, at 03:18 (UTC). Text is available under the Creative Commons Attribution ...
4 Suggest replace photo of brand name guaiac FOBT, which is no longer preferred, with photo of a high-senstivity test, which is 1 comment 5 Major recommendations of best practices excluding most guaiac FOBT need to be laid into article.
In medicine, the fecal fat test is a diagnostic test for fat malabsorption conditions, which lead to excess fat in the feces (steatorrhea). Background.