Results 161 to 170 of about 4,801 (206)
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Sensitivity of Guaiac-Impregnated Cards for the Detection of Colorectal Neoplasi
Journal of Clinical Gastroenterology, 1983The sensitivity of the guaiac-impregnated card, hemoccult II, for the detection of colorectal neoplasia was tested in 213 patients undergoing elective colonoscopy over a 10-month period. Contrary to statements in standard texts as to the high sensitivity of guaiac-impregnated cards for the detection of these tumors, our results demonstrate only a 52 ...
M L, Crowley +7 more
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The American journal of gastroenterology, 1984
The history of guaiac is outlined herein. Guaiac owes its existence as a chemical to a rumor that it had antisyphilitic healing powers in the early 16th century. Guaiac was either the drug of choice or second drug of choice for therapy of syphilis for 200 years. Van Deen discovered its property of detecting occult blood in 1864.
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The history of guaiac is outlined herein. Guaiac owes its existence as a chemical to a rumor that it had antisyphilitic healing powers in the early 16th century. Guaiac was either the drug of choice or second drug of choice for therapy of syphilis for 200 years. Van Deen discovered its property of detecting occult blood in 1864.
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Guaiac Testing in the Diagnosis of Rectal Trauma
The Journal of Trauma: Injury, Infection, and Critical Care, 1992Rectal examination with guaiac testing is a standard part of the emergency department evaluation of acutely traumatized patients. Its major role is in the recognition of occult bowel injury. We questioned its efficacy in detecting occult rectal injury in patients with penetrating trauma.
H, Levine +4 more
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Blood in Gastric Juice and Guaiac Slide Tests
Annals of Internal Medicine, 1982Excerpt To the editor: In their report, on guaiac slide tests Layne and his associates (1) describe the solution of 4000 µL of blood per decilitre of gastric juice, a concentration that did not pro...
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Increased Levels of Fecal Protoporphyrin and Guaiac Testing
Archives of Dermatology, 1982To the Editor.— Patients with protoporphyria often have abnormally increased amounts of protoporphyrin in their feces. These same patients are at increased risk for the development of cirrhosis, portal hypertension, and gastrointestinal (GI) tract bleeding from esophageal varices and may have guaiac testing performed to evaluate this possibility ...
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MUST THE TINCTURE OF GUAIAC BE FRESHLY PREPARED?
Journal of the American Medical Association, 1911Since Weber's modification of the guaiac-turpentine test for occult blood in the feces and stomach contents, 1 every writer on this subject has uniformly insisted on using only the freshly prepared tincture of guaiac. Many have advised that the interior of a fragment of guaiac should be selected.
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Incidence of amebiasis in patients with positive guaiac test of the stool
The American Journal of Digestive Diseases, 19581. Of 50 individuals who had a positive guaiac test of the stool after having been on a meat-free diet for 3 days or longer, only 1 (2 per cent) hadE. histolytica in the stool on a single examination.
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Guaiac interpretation by non-certified clinicians.
Hawai'i journal of medicine & public health : a journal of Asia Pacific Medicine & Public Health, 2013To assess the ability of non-certified clinicians to interpret guaiac test results.50 clinicians were shown photographs of 20 guaiac test cards. They were asked to classify these as positive, negative, or uncertain.31 nurses, 4 clinical assistants, 7 emergency attending MDs, 2 resident MDs, and 6 medical students comprised the study group. Mean correct
Kimberly A, Lyons +2 more
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Guaifenesin Effects on the Guaiac Test for Occult Blood
JAMA: The Journal of the American Medical Association, 1976IT HAS been stated that guaifenesin will give a positive guaiac reaction. 1 Although Ogburn and Craner 2 disputed this claim, inadequate data were presented. We have investigated the effect of guaifenesin on the stool guaiac test in 31 healthy volunteers.
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