329 results found
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … compared with the stress images. This test is also known by other names including myocardial perfusion scan, myocardial …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A tuberculin … of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB … (inactive) or if you have active TB that can be passed to others. Why It Is Done A tuberculin skin test is done to …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A … and doctors' groups suggest routine screening. Talk to your doctor about whether your child has been or should be … test. Or you are able to hear with one ear but not with the other ear. You hear the tone more loudly in one ear than in …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A blood urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is … levels to go up. How To Prepare Do not eat a lot of meat or other protein in the 24 hours before having a BUN test. How …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A serum … partly controls serum osmolality. Water constantly leaves your body as you breathe, sweat, and urinate. If you do not … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A folate … usually affected by the amount of folate and folic acid in your diet each day. Folate deficiency can result in a type … certain birth defects. How To Prepare Do not eat or drink (other than water) for 8 to 10 hours before the test. If you …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A … checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … also look at your results based on your age, health, and other factors. A value that isn't in the normal range may …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A rheumatoid … as a first-time screening test for rheumatoid arthritis. Another agglutination test mixes the blood being tested with a … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An albumin … most often caused by kidney damage from diabetes . But many other conditions can lead to kidney damage. These include … is done to check for albumin in the urine. It helps tell your doctor how well your kidneys are working. This test is …
Medical tests
… Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A … measures the amount of a type of sugar, called glucose, in your blood at the time of testing. The test can be done at … reacts to foods, illness, stress, exercise, medicines, and other activities. Testing before and after eating can help …