guaiac वाक्य
उदाहरण वाक्य
मोबाइल
- However, although heme breakdown is less than globin during intestinal transit, false negative results can be seen with the stool guaiac tests due to degradation of the peroxidase-activity.
- The guaienes are sesquiterpenes with the molecular formula C 15 H 24 . ?-Guaiene is the most common and was first isolated from guaiac wood oil from " Bulnesia sarmientoi ".
- From its wood, also, a type of oil known as oil of guaiac ( or " guayacol " ) is produced, to be used as an ingredient for soaps and perfumes.
- The stool guaiac test for hidden ( occult ) blood in the stool can be done at home or in the doctor's office, or can be performed on samples submitted to a clinical laboratory.
- 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 %.
- Conversely, 800 mg of cimetidine 1 hr before the start and again at 50 miles of a 100-mile running race substantially decreased GI symptoms and postrace guaiac test positivity but did not affect race performance.
- All three recommendation panels recommended replacing any older low-sensitivity, guaiac-based fecal occult blood testing ( gFOBT ) with either newer high-sensitivity guaiac-based fecal occult blood testing ( hs gFOBT ) or fecal immunochemical testing ( FIT ).
- All three recommendation panels recommended replacing any older low-sensitivity, guaiac-based fecal occult blood testing ( gFOBT ) with either newer high-sensitivity guaiac-based fecal occult blood testing ( hs gFOBT ) or fecal immunochemical testing ( FIT ).
- The test involves placing a faecal sample on "'guaiac "'paper ( containing a phenolic compound, alpha-guaiaconic acid, extracted from the wood resin of Guaiacum trees ) and applying hydrogen peroxide which, in the presence of blood, yields a blue reaction product within seconds.
- Several recent colon cancer screening guidelines have recommended replacing any older low-sensitivity, guaiac-based fecal occult blood testing ( gFOBT ) with either newer high-sensitivity guaiac-based fecal occult blood testing ( gFOBT ) or fecal immunochemical testing ( FIT ), which tests for globin rather than the heme detected by the guaiac method.
- Several recent colon cancer screening guidelines have recommended replacing any older low-sensitivity, guaiac-based fecal occult blood testing ( gFOBT ) with either newer high-sensitivity guaiac-based fecal occult blood testing ( gFOBT ) or fecal immunochemical testing ( FIT ), which tests for globin rather than the heme detected by the guaiac method.
- Several recent colon cancer screening guidelines have recommended replacing any older low-sensitivity, guaiac-based fecal occult blood testing ( gFOBT ) with either newer high-sensitivity guaiac-based fecal occult blood testing ( gFOBT ) or fecal immunochemical testing ( FIT ), which tests for globin rather than the heme detected by the guaiac method.
- FIT screening is more effective in terms of health outcomes and cost compared with guaiac FOBT . According to the guidelines of the American College of Gastroenterology, " Annual fecal immunochemical testing is the preferred colorectal cancer detection test . " A FIT test detects globin levels in feces at or above 50 nanograms per mL, the established cutoff by the World Health Organization for Colorectal Cancer Screening.
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