245 results found
Medical tests
… Blood and urine are often tested to find the cause of health problems. But other body fluids also can be tested. … up in part of the body. The fluid can be tested to look for the reason for the buildup. Some of the most common body fluids that …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Screening tests help your doctor look for a problem before you have symptoms. Lung cancer … or you quit within the last 15 years. If you have a serious health problem, you and your doctor will decide if lung …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A potassium test checks how much … spinach, and potatoes. A balanced diet has enough potassium for the body's needs. But if your potassium levels get low, … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… How It Feels Risks Results What Affects the Test Related Information Test Overview A homocysteine test … B12 deficiency or folic acid deficiency . But other tests for these deficiencies are available. Help identify a rare … out the medical test information form . How It Is Done The health professional drawing your blood will: Wrap an elastic …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Cardiac enzyme studies measure the … are linked with injury of the heart muscle. The test checks for the proteins troponin I (TnI) and troponin T (TnT). If … be done, or what the results will mean. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of the virus that causes … drugs or are exposed to body fluids (such as if you are a health care worker). You've had other tests that show you …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview Myoglobin is a protein found in … 3 hours after the damage. Myoglobin can be found in urine for several days. Why It Is Done The myoglobin test is used … your doctor tells you to. How It Is Done Blood test A health professional uses a needle to take a blood sample, …
Medical tests
… High-Sensitivity C-Reactive Protein (hs-CRP) Test On this page: Test Overview Why … Prepare How It Is Done How It Feels Risks Results Related Information Test Overview The high-sensitivity C-reactive … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A hearing (audiometric) test is part of a full hearing health evaluation that measures a person's ability to hear … may be done: To check, or screen, babies and young children for hearing problems that might affect their ability to …
Medical tests
… Prepare How It Is Done How It Feels Risks Results Related Information Test Overview A renin assay blood test is done to … when potassium levels in the blood are low. How To Prepare For 2 to 4 weeks before the test, you may be asked to stop … may be collected after you move around for 2 hours. A health professional uses a needle to take a blood sample, …
