329 results found
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
… to look at blood flow in an unborn baby to check the baby's health. During Doppler ultrasound , a hand-held device is … may be asked to drink water right before the test so that your bladder is full. How It Is Done This test is done in an … may be asked to drink water right before the test so that your bladder is full. You may need to take off all or most …
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
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it … 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
… 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
… exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid test. These activities may change the results. How It Is Done A health professional uses a needle to take a blood sample, …
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
… test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … Be sure to keep warm, because being cold can also increase your levels. Ask for a blanket if you feel cold. 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, …
