329 results found
Medical tests
… urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in … and cause a low BUN value. Women and children may have lower BUN levels than men because of how their bodies …
Medical tests
… It takes pictures of the organs and other structures in your body. It can be used in different areas such as the … a biopsy. How to Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … being looked at, you may get special instructions such as when you can eat or drink. How It Is Done This test is done …
Medical tests
… in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … the cause of high blood pressure (hypertension), especially when potassium levels in the blood are low. How To Prepare … licorice for 2 weeks before the test. Do not eat or drink foods that contain caffeine the day before the test. Natural …
Medical tests
… and fatty substances used as a source of energy by your body. Lipids are found in your blood and are stored in … flow problems, including heart attack and stroke. If you have unusual symptoms, such as yellow fatty deposits in the … age, sex, and race. Whether or not you smoke. Learn more When to Have a Cholesterol Test How To Prepare Your doctor …
Medical tests
… . Find growths in the kidneys (rare). How To Prepare If you are breastfeeding, you may want to pump enough breast … Feels You may feel nothing at all from the needle puncture when the tracer is injected, or you may feel a brief sting … milk you pump in the 1 or 2 days after the test. You may have some soreness or swelling where the needle went in. …
Medical tests
… (also called a Mantoux tuberculin test) is done to see if you have ever been exposed to tuberculosis (TB). The test is … is a good test for finding a TB infection. It is often used when symptoms, screening, or testing, such as a chest X-ray …
Medical tests
… Overview A chloride test measures the level of chloride in your blood or urine. Chloride is one of the most important … chloride) you eat. Chloride is absorbed by your intestines when you digest food. Extra chloride leaves your body in your urine. …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for … with water the morning of the test. Do not eat high-fat foods the night before the test. Do not drink alcohol before … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … brain damage in the fetus. You can be infected by eating food such as undercooked or raw meat from an infected animal … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… be exposed to lead: By eating or drinking lead-contaminated foods, water, or other material (such as paint chips). By … lead poisoning. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a …
