329 results found
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … 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
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done The rapid mono test is done on a small sample of blood taken from your fingertip or from a vein. The Epstein-Barr antibody … test from a finger stick For a finger-stick sample, the health professional will puncture the skin on your middle or …
Medical tests
… as corticosteroids or chemotherapy ) that change how well your body can fight infections (immunity). For a blood … need to do anything at home to prepare for the test. Tell your health professional if you took antibiotics recently. How It …
Medical tests
… an echogram, or a scan. They may be saved as part of your baby's record. Fetal ultrasound can be done two ways. … a small hand-held device called a transducer is moved over your belly. In a transvaginal ultrasound, a transducer is … Why It Is Done Fetal ultrasound is done to learn about the health of your fetus. Different details can be learned at …
Medical tests
… for 1 to 2 weeks before you have the test. Be sure to tell your doctor about all the non-prescription and prescription medicines you take. Be sure to tell your doctor if you have: Recently had an X-ray test using … straining to pass stool may be painful. If your health professional uses a rectal swab to collect the …
Medical tests
… This test might be done if you have high iron levels in your blood. This test helps to find out if you have … gene test. You may worry that test results could affect your future employment options or the cost or availability … You might have a cheek test or a blood test. Cheek test A health professional gently swabs or scrapes the inside of …
Medical tests
… of the way cortisol levels vary throughout a day. If your doctor thinks you might make too much cortisol, the test will probably be done late in the day. If your doctor thinks you may not be making enough, a test is … even after you stop taking the medicine. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Overview A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important … It helps keep the amount of fluid inside and outside of your cells in balance. It also helps maintain proper blood … your doctor tells you to. How It Is Done Blood test A health professional uses a needle to take a blood sample, …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … tests. If you are having follow-up aldosterone blood tests, your doctor may give you the following instructions: Eat … levels are highest in the early morning. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… time (PTT) is a blood test that measures the time it takes your blood to clot. A PTT test can be used to check for … time is an important test because the time it takes your blood to clot may be affected by: Blood-thinning … and prescription medicines you take. How It Is Done A health professional uses a needle to take a blood sample, …