occult blood medical definition

peripheral blood that obtained from acral areas, or from … the fluid that circulates through the heart, arteries, capillaries, and veins and is the chief means of transport within the body. Medicine Detectable only by microscopic examination or chemical analysis, as a minute blood sample. The fecal occult blood test (FOBT) looks for the presence of microscopic blood in the feces, which may be a sign of a problem in your digestive system. A test for fecal occult blood looks for blood in your poop, or feces. … Screening with guaiac-based fecal occult blood tests (gFOBT), followed by colonoscopy for patients who test positive, was associated with a reduction of 15% to 33% in colorectal cancer (CRC)-related … It may be caused by a variety of conditions, including: 5. a. https://medical-dictionary.thefreedictionary.com/occult+blood+test. Blood that is present in amounts too small to be seen and can be detected only by chemical analysis or microscopic examination. : relating to or being a modified guaiac test in which filter paper impregnated with guaiacum turns blue if occult blood is present hemoccult slide testing Learn More about hemoccult Dictionary Entries near … Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary … occult blood is a topic covered in the Taber's Medical Dictionary.. To view the entire topic, please sign in or purchase a subscription.. Medical Author: William C. Shiel Jr., MD, FACP, FACR home > test_fecal_occult_blood Test, fecal occult blood: A test to check for microscopic blood in the feces , the stool . occult blood that present in such small amounts as to be detectable only by chemical tests or by spectroscopic or microscopic examination. It has an essential role in the maintenance of fluid balance. n. Occult … Composition of the blood, which constitutes 8% of total body weight. The most common test is for hidden blood in the stool, also … This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Presence of blood that cannot be seen with the naked eye. Reasons for Test. occult meaning: 1. relating to magical powers and activities, such as those of witchcraft and astrology: 2. the…. A fecal occult blood test (FOBT) checks for hidden (occult) blood in the stool (feces). It transports oxygen from the lungs to the body tissues, and carbon dioxide from the tissues to the lungs. This type of test may be performed on bodily fluids or feces to detect blood that is not observable by visual examination. How to use occult in a sentence. A fecal occult blood test is done at home by swiping a tiny amount of stool onto a card for three consecutive days and delivering it to your doctor's office or sending to a laboratory. From Applegate, 2000. Not accompanied by readily detectable signs or symptoms: occult carcinoma. Also called a fecal occult blood test: A test to check for hidden blood in stool. Stool occult blood test: A test to see whether there is blood in the bowel movement. Trying to define "The Occult"? Meaning of occult blood. A test to check for hidden blood in stool. Government … occult. Blood in the feces in amounts too small to be seen by the naked eye but detectable by chemical tests. It can be a sign of a problem in your digestive system, such as a growth, or polyp, or cancer in the colon or rectum.. Fecal Occult Blood Test is designed to evaluate stool samples for hidden (“occult”) blood, meaning blood that cannot be seen with the naked eye. This test is used to determine if there is excess blood in the digestive tract. Levi et al., "Cumulative evaluation of a quantitative immunochemical fecal, When compared to colonoscopies done every ten years, high-sensitivity fecal, Comparison between a guaiac and three immunochemical faecal, After applying the multivariate model and adjustment, occupation, educational level and having a high perceived level of emotional stress remain predictors of performing fecal, More recently, the replacement of G-FOBT by immunochemical fecal, The most commonly used guaiac-based fecal, The one test that doesn't require prep is a fecal, Based on my age (53) and sex, my doctor recommended blood pressure screening (the nurse had already taken care of that), a blood test for cholesterol, fecal, The three main tests currently used for early detection of cancer in men are the serum prostate specific antigen (PSA) test, the fecal, He had seen my colleague, who had done a faecal, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Effect of Temperature and Time on Fecal Hemoglobin Stability in 5 Fecal Immunochemical Test Methods and One Guaiac Method, Correlating Quantitative Fecal Immunochemical Test Results with Neoplastic Findings on Colonoscopy in a Population-Based Colorectal Cancer Screening Program: A Prospective Study, Predictors of screening programs adherence: report of a population based study in Shiraz, Iran, Immunochemical fecal occult blood test for detection of advanced colonic adenomas and colorectal cancer: comparison with colonoscopy results, Colorectal cancer screening guidelines updated, Why I work for health care for all and say "no" to screening tests for me (at least some of the time), Occult and Paranormal House of Investigational Research, Occult Control Coordination Unit Liaison, Unconventional Situations, occult papillary carcinoma of the thyroid. An occult blood screen may also be called an occult blood … Because the bacteria are too few or too small to see, doctors send samples of blood … Such blood may come from anywhere along the digestive tract. Papo, "Evaluation and comparison of an immunochemical and a guaiac faecal, We think colonoscopies performed about every 5 years will yield superior results compared to annual fecal, Improvements in colorectal cancer screening programmes--quantitative immunochemical faecal, Nagel et al., "Comparison of CT colonography, colonoscopy, sigmoidoscopy and faecal, Hemoccult[R]: Physicians' #1 choice in fecal, I have seen capitated physicians throw positive stools for, Studies show that InSure, an immunochemical test, is a more accurate alternative to traditional guaiac-based fecal, The most useful of these for population screening are: fecal, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, clinical laboratory scientist/medical technologist, the webmaster's page for free fun content, Correlating Quantitative Fecal Immunochemical Test Results with Neoplastic Findings on Colonoscopy in a Population-Based Colorectal Cancer Screening Program: A Prospective Study, Sensitivity and Specificity of Community Fecal Immunotesting Screening for Colorectal Carcinoma in a High-Risk Canadian Population, Immunochemical fecal occult blood test for detection of advanced colonic adenomas and colorectal cancer: comparison with colonoscopy results, Colorectal cancer screening guidelines updated, A pilot study evaluating two alternate methods of stool collection for the fecal occult blood test, GAO: most private health plans cover colorectal screening, Quest Diagnostics and Enterix enter into hemoglobin detection agreement, Screening for osteoporosis and colon cancer under Medicare. 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