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Showing posts from March 25, 2009

GASTROINTESTINAL LAB TESTS-LESSON 70

In this lesson we are going to learn about what are important test related to gastrointestinal system. About these tests, as a medical transcription learner one must know. These lesson consists of STOOL ANALYSES TESTS and LIVER FUNCTION TESTS. We will see about one by one in detail now. STOOL ANALYSES:   Whenever one gets infected to a disease in the gastrointestinal tract, stool or feces culture is essential to analyze the stool to know about the disease condition. There are two tests are commonly used to analyze stool. They are 1. Hemoccult test or stool guaiac test. 2. Culture of the stool. 1. Hemoccult or stool guaiac test: This test is used to find out the hidden blood cells especially hemoglobin in the stool and its peroxidase action on the stool. This test is an important show test to find out cancer in the colon. For this test guaiac is a chemical essence or resin extracted from trees is supplemented with the stool. Guaiac reacts with the hidden red blood cells in th