329 results found
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a …
Medical tests
… disease . A tumour in an adrenal gland. How To Prepare If your doctor tells you to fast before your test, do not eat or drink anything except water for 9 to 12 hours before you have your blood drawn. In most cases, you are allowed to take …
Medical tests
… the level of immunoglobulins, also known as antibodies , in your blood. Antibodies are substances made by the body's … reactions. Occasionally, antibodies may be made against your own tissues. This is called an autoimmune disease . If … in allergic reactions to milk, some medicines, and some poisons. IgE antibody levels are often high in people with …
Medical tests
… to see whether you are a Tay-Sachs carrier, you should tell your doctor if you have had a blood transfusion in the past 3 months. Talk to your doctor about any concerns you have about the need for … 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
… as you want up to 1 hour before the test. Be sure to tell your doctor about all the non-prescription and prescription … the digestive hormone secretin is injected into a vein in your arm. More blood samples are taken at the time of the … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … 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
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … be asked to rest quietly for up to 30 minutes before having your blood drawn. Stimulation of the nipples can raise … pituitary gland is making excess prolactin for unknown reasons (idiopathic hyperprolactinemia). Other conditions that …
Medical tests
… tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) that has a … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get …
Medical tests
… body makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have … You have an HIV infection. The tests also are done to help your doctor decide about your treatment and see how well it works. How To Prepare In …