329 results found
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 your immune system makes low levels of antibodies, you may …
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 … 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
… 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
… 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 You will need to … is usually taken from the front, back, top, and sides of your head. Hold your head completely still while the pictures are being …
Medical tests
… Results 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 guide. Your doctor will also look at your results based on your …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … X-ray pictures are needed for clear pictures of the face. Your head may need to be repositioned for each view. Hold your head completely still while the pictures are being …
