329 results found
Medical tests
… of ferritin in the blood shows how much iron is stored in your body. Why It Is Done A ferritin blood test is done to: Find the cause of anemia , especially iron deficiency anemia. See if … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … may be collected after you move around for 2 hours. A health professional uses a needle to take a blood sample, …
Medical tests
… A hearing (audiometric) test is part of a full hearing health evaluation that measures a person's ability to hear … This organ is called the cochlea. Sound vibrations cause the fluid in the inner ear to move, which bends tiny … and doctors' groups suggest routine screening. Talk to your doctor about whether your child has been or should be …
Medical tests
… genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A … breast cancer. But there are other gene changes that may cause cancer, too. Most provincial or private health plans will cover the cost of genetic testing if you …
Medical tests
… Information Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . Poisoning can … breathing it. The test measures the amount of hemoglobin in your blood that has bonded with carbon monoxide. Carbon … Tobacco smoke contains carbon monoxide. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… for growth. It plays an important role in how the body uses food for energy ( metabolism ). The amount of GH in the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood levels of … change more slowly, and it may be the first test done. A health professional uses a needle to take a blood sample, …
Medical tests
… the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism , to find the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… how well the liver and kidneys are working. Find out if your diet contains enough protein. Help find the cause of swelling of the ankles or belly or of fluid … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… blood test is done to check for conditions that cause the body to make certain types of antibodies called cold … cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… inflammation is present in the body, certain proteins cause red blood cells to stick together and fall more quickly … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
