329 results found
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … amount of sodium (2,300 mg per day) for at least 2 weeks before the test. Do not eat foods that are very salty, such … into the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect …
Medical tests
… seems to be eating enough food. How To Prepare For 24 hours before a D-xylose test, do not eat foods high in pentose, a … with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … take a blood sample, usually from the arm. Urine test You start collecting your urine in the morning. When you first …
Medical tests
… throughout a woman's menstrual cycle and is highest just before she releases an egg (ovulates). In men, FSH helps … such as cimetidine, letrozole, and levodopa, can change your test results. You may be asked to stop taking medicines … High values in children may mean that puberty is about to start. Low values Low FSH values may mean: A woman is not …
Medical tests
… pictures of structures inside of the body. During the test, you will lie on a table that is attached to the CT scanner, … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. Tell your … of your belly, you may be asked to not eat any solid foods starting the night before your scan. For a CT scan of the …
Medical tests
… he or she may do a CA-125 test to find out where the cancer started. High levels of CA-125 are a strong sign that the … the harms. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is …
Medical tests
… in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern … may be asked to avoid strenuous physical activity the day before the test. Be sure to drink enough fluids during the … into the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect …
Medical tests
… spirometer to monitor and evaluate any breathing problems you may have on a day-to-day basis. A peak flow meter allows … meter. Ask your doctor to show you how to use this device before you use it at home. If you have questions about how … test your best effort every time. How It Is Done Before you start, remove any gum or food you may have in your mouth. …
Medical tests
… : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you … antibody test In general, there's nothing you have to do before this test, unless your doctor tells you to. Stool … will: Collect a sample of your breath before the test starts. Give you a capsule or some water to swallow that …
Medical tests
… wall send a message to the spinal cord and brain that you need to urinate. In response, your spinal cord sends a … . How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is … a cloth or paper covering to use during the test. At the start of the test, you will be asked to urinate into a …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is … licensed drivers. Most provinces have legal consequences starting at levels as low as 0.05. Legal limits are set …
