329 results found
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is … doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal …
Medical tests
… is in the plasma part of blood. This test shows how well your diabetes has been managed in the last 2 to 3 months and whether your diabetes treatment plan needs to be changed. This test … time during the day, even after a meal. How It Is Done A health professional uses a needle to take a blood sample, …
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 … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. If you are donating tissue or blood cells, your doctor may want to talk about your medical history—such … whether your donor tissue can be used. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… obtained from karyotyping can have a profound impact on your life, you may want to see a doctor who specializes in … what karyotype test results mean for you, such as your risk for having a child with an inherited (genetic) … amniotic fluid or the placenta . Blood sample from a vein A health professional uses a needle to take a blood sample, …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see … done along with examinations and tests that check the health of the eye. Here are some common tests that check for …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not eat … doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal …
Medical tests
… of TB protein ( antigens ) under the top layer of skin on your inner forearm. If you have ever been exposed to the TB bacteria ( Mycobacterium tuberculosis ), your skin will react to the antigens by developing a firm … have been in close contact with someone known to have TB. Health care workers who are likely to be exposed to TB. …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. If you are taking or have recently taken antibiotics , tell your doctor. How It Is Done To collect a tissue or fluid … a wound, a sterile swab is inserted into the wound. The health professional collecting the sample may press around …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves that echo off your heart and back to the transducer. These echoes are … Why It Is Done This test is done to check your heart health. It's used for many reasons. For example, it may be …
