329 results found
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 … of an underactive thyroid gland. Pregnancy during the first trimester . Medical Tests: Questions to …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). The body's immune … Examples include: Rheumatoid arthritis . More than one-third of people with rheumatoid arthritis have a positive …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. If an older baby is having the … and inner fluid chambers (ventricles) can be seen on a video screen. How long the test takes The test usually takes … and inner fluid chambers (ventricles) can be seen on a video screen. How long the test takes The test usually takes …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is done … thyroid gland and the tissue around it can be seen on a video screen. You may be asked to turn your head away from … views of your neck. How long the test takes The test takes about 30 minutes. How It Feels Most people don't feel pain …
Medical tests
… the sound waves as they bounce off the different parts of your heart. These echoes are turned into moving pictures of your heart that can be seen on a video screen. Echocardiograms can be done in different ways. … into moving pictures of your heart that can be seen on a video screen. Echocardiograms can be done in different ways. …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves … into moving pictures of your heart that can be seen on a video screen. In a transthoracic echocardiogram (TTE), the … Talk to your doctor or the person performing your echo about any concerns you have. Risks You will not have any …
Medical tests
… Amniocentesis is a test to look at the fluid that surrounds your baby ( fetus ) in the uterus . Amniotic fluid has cells and other substances that can give clues about the health of your fetus. For this test, a needle is … Why It Is Done Amniocentesis may be done during your second trimester to find certain genetic conditions as well as …
Medical tests
… tubal ligation has been successful. How To Prepare Schedule your test for when you won't be having your period. Your … doing the test when you could be pregnant. Tell your doctor about any allergies that you have and any medicines you … is put through the tube. The X-ray pictures are shown on a video screen during the test. How long the test takes The …
Medical tests
… Overview A HIDA scan is an imaging test that checks how your gallbladder is working. The gallbladder is a small sac … starts to go in. The pictures may be continuous, like a video. Or they may be taken once in a while for up to 1½ … check how well the gallbladder is working. You may be asked about your reaction to the substance used to stimulate the …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … They also make urine. If your doctor needs more details about a specific organ in the upper part of your belly, you … A picture of the organs and blood vessels can be seen on a video monitor. You may be asked to change positions so more …
