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guaiac

   Also found in: Medical, Encyclopedia, Wikipedia 0.06 sec.
guai·ac  (gwk)
n.
Variant of guaiacum.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.guaiacguaiac - hard greenish-brown wood of the lignum vitae tree and other trees of the genus Guaiacum
lignum vitae, guaiacum
Guaiacum officinale, lignum vitae - small evergreen tree of Caribbean and southern Central America to northern South America; a source of lignum vitae wood, hardest of commercial timbers, and a medicinal resin
wood - the hard fibrous lignified substance under the bark of trees


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Several research groups have reported occult bleeding in marathon runners, using pre-and post-race stool guaiac testing with the prevalence of blood in post-race specimens ranging from 8 to 30%(7).
Gastrointestinal (GI) bleeding in endurance runners by Feller, Edward R. / AMAA Journal
In addition, Medicare reimbursement rates awarded immunochemical fecal occult blood tests over the current Guaiac based fecal occult blood tests are significantly higher since they have no dietary or medicinal restrictions and exhibit higher clinical sensitivity.
Quidel Joins Fight for Early Detection of Colon Cancer; Expands ... by Business Wire
As is the case in the general population, only 25% of Medicare beneficiaries are screened each year with traditional guaiac fecal occult blood tests (FOBTs), compared wit h much higher rates for other regular cancer screening tests such as mammography (75%) or Pap smear testing (66%).
Medicare Adds Coverage of Annual InSure Testing to Colorectal Cancer ... by Business Wire
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