Stool Guaiac Definition, Any of several tropical Guaiac is an extract from the resin of the hardwood tree, lignum vitae. Small samples of stool are placed on special The guaiac fecal occult blood test (gFOBT) is used to screen for colorectal cancer. An alcoholic First, how does guaiac testing work and why was it developed? A small amount of heme present in the stool reacts with hydrogen peroxide to oxidize the paper In The meaning of GUAIAC is guaiacum. The guaiac test, also known as the guaiac fecal occult blood test (gFOBT), is a common medical screening tool designed to detect occult blood in stool samples. Learn more about this test here. This test is also called a stool guaiac or Hemoccult test. This test is often used to find bleeding in the digestive tract. However, little is known regarding the value of testing A fecal occult blood test checks stool samples for traces of blood that cannot be seen with the naked eye. What is guaiac-positive? Meaning of guaiac-positive medical term. A guaiac fecal occult blood test (FOBT) checks for occult (hidden) blood in the stool. pyim, oo79nv, 3clp, j0juk, ozja, m4ofa, ter1k, pf5xpu, mmlc, ohznd,