329 results found
Medical tests
… the level of immunoglobulins, also known as antibodies , in your blood. Antibodies are substances made by the body's immune system in response to bacteria, viruses, fungus, animal dander, or cancer cells. Antibodies …
Medical tests
… Overview A d-dimer test is a blood test that measures a substance that is released when a blood clot breaks up. … for blood-clotting problems. A d-dimer test can also be used to check how well a treatment is working. Why It Is … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and nerves. Tay-Sachs is an … to see whether you are a Tay-Sachs carrier, you should tell your doctor if you have had a blood transfusion in the past … the results may mean. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… during pregnancy. The level of inhibin A in the blood is used in a maternal serum quadruple screening test. Generally … 15 and 22 weeks, this test checks the levels of four substances in a pregnant woman's blood. The quad screen … you make wise health decisions or take action to improve your health. Decision Points focus on key medical care …
Medical tests
… the level of AFP in a pregnant woman's blood. AFP is a substance made in the liver of an unborn baby (fetus). The … non-pregnant women. The level of AFP in the blood is used in a serum quadruple screening test. This test is often … Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is …
Medical tests
… screen is a blood test that measures the levels of several substances in the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for … you have this test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… Overview A HIDA scan is an imaging test that checks how your gallbladder is working. The gallbladder is a small sac … pictures of the tracer as it moves along. Your doctor can use these pictures to look for leaks, blockages, or any … to any more radiation while the scan is being done. A substance that stimulates the gallbladder may also be put …
Medical tests
… This test is done on a blood sample taken from a vein. A substance called antidiuretic hormone (ADH) partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not … is making enough antidiuretic hormone (ADH) . Find the cause of seizures or coma. In severe cases, these can be …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune … body's immune system normally attacks and destroys foreign substances such as bacteria and viruses. But in disorders known as autoimmune diseases, the …
Medical tests
… to find germs (such as bacteria) in the urine that can cause an infection. Bacteria can enter through the urethra and … tract infection (UTI) . A sample of urine is added to a substance that promotes the growth of germs. If no germs … germs that are normally found on the penis or vagina. Wash your hands before you collect the urine. If the collection …
