265 results found
Medical tests
… waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys are … into creatinine. Your kidneys take creatinine out of your blood and pass it out of your body in urine. If your kidneys … creatinine in your urine goes down while its level in your blood goes up. Three types of tests can be done. Blood …
Medical tests
… This test measures the amount of lead in a person's blood. Lead is a poisonous (toxic) metal that can damage the … and other parts of the body. A lead test may be done on blood taken from the vein, a finger (finger stick), or the … you are using any natural health products. How It Is Done Blood sample from a heel stick A heel stick is used to get a …
Medical tests
… Test Overview Mononucleosis tests are blood tests to look for antibodies that indicate … It Is Done The rapid mono test is done on a small sample of blood taken from your fingertip or from a vein. The Epstein-Barr antibody test is done on a blood sample taken from your vein. Blood test from a finger …
Medical tests
… A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important electrolytes in the blood. It helps keep the amount of fluid inside and outside … of your cells in balance. It also helps maintain proper blood volume, blood pressure, and pH of your body fluids. …
Medical tests
… test measures the level of D-xylose, a type of sugar, in a blood or urine sample. This test is done to help diagnose … is not absorbed by the intestines, and its level in blood and urine is low. Why It Is Done A test for D-xylose … vitamins, and minerals from the intestinal tract into the bloodstream. Find the cause of a child's failure to gain …
Medical tests
… found in milk and milk products. A galactosemia test is a blood or urine test that checks for enzymes that are needed … these enzymes, so high levels of galactose build up in the blood or urine. When galactose builds up in a baby's blood, it can cause liver damage, problems with eating, and …
Medical tests
… test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine. Normally, only low levels of amylase are found in the blood or urine. But if the pancreas or salivary glands … or blocked, more amylase is usually released into the blood and urine. In the blood, amylase levels rise for only …
Medical tests
… Test Overview Allergy testing involves having a skin or blood test to find out what substance, or allergen , may … they are rapid, reliable, and generally less expensive than blood tests, but either type of test may be used. Skin tests … used to detect a skin allergy called contact dermatitis . Blood test Allergy blood tests look for substances in the …
Medical tests
… ( colon ) and the rectum . Stool tests look for signs of blood or cancer in a stool sample. Stool tests include: … Fecal immunochemical test (FIT). Guaiac fecal occult blood test (gFOBT). Blood in the stool may be the only symptom of colorectal …
Medical tests
… Test Overview Thyroid testing Thyroid hormone tests are blood tests that check how well the thyroid gland is … way the body uses energy ( metabolism ). Thyroid hormone blood tests include: Total thyroxine (T4) and free thyroxine (FT4). Most of the thyroxine (T4) in the blood is bound to a protein called thyroxine-binding …