guaiac test


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guaiac

 [gwi´ak]
a resin from certain Caribbean trees, used as a reagent.
guaiac test one for occult blood; glacial acetic acid and guaiac are mixed with the specimen; on addition of hydrogen peroxide, the presence of blood is indicated by a blue tint.

guai·ac test

an obsolete test using glacial acetic acid, gum guaiac solution or hydrogen peroxide to detect traces of fecal or occult blood.
Synonym(s): Almén test for blood

guai·ac test

(gwī'ak test)
A screening procedure for occult blood in stool.

Almén,

August Teodor, Swedish physiologist, 1833-1903.
Almén test for blood - a test for occult blood. Synonym(s): guaiac test; Schönbein test; van Deen test
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At least one of the six guaiac test samples (Fecatwin-S) was positive in 72.8% (381/523) of patients and at least one of the six (FECA-EIA) absorbance values was over 0 in 38.8% (214/523) of patients.
Finding colorectal tumours with an immunological faecal occult blood test in symptomatic primary health care patients
(20) For an athlete in whom you highly suspect the triad, order urine electrolytes, salivary amylase, and stool guaiac tests, as well as an electrocardiogram.
Should you suspect the female athlete triad? Is your patient's dedication to her sport putting her health at risk? This review--complete with a brief screening tool--will help you identify at-risk athletes and those whose health is already being compromised
Immunoassays, unlike guaiac tests, are not influenced by diet or medication use, and they are associated with fewer false-negative and false-positive findings, Dr.
Medicare may cover more colorectal cancer tests. (Rule 'Opens the Door')
Immunoassays, unlike guaiac tests, are not influenced by diet or by medication use, and they are associated with fewer false-negative and false-positive findings, Dr.
Medicare may cover more colorectal Ca screening tests. (2003 Physician Fee Schedule)

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