289 results found
Medical tests
… load test measures how much hepatitis C virus is in the blood. Viral load may be measured before, during, and after … test is done to see if there is any active virus in the blood. It's sometimes used to see how well treatment for … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels You may …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures the … quickly. The amount of alcohol in your blood reaches its highest level about 60 minutes after you drink. But food in … amount of time it takes for the blood alcohol to reach its highest level. Most of the alcohol is broken down in the …
Medical tests
… You get an injection of a radioactive tracer into your blood. Then your doctor uses a special camera to see how well your heart is pumping blood. Invasive procedure. This test is done as part of a … of your heart muscle as your ventricles fill and pump blood. The size of your ventricles. How efficiently your …
Medical tests
… Results Test Overview A CD4+ count is a blood test to see how well the immune system is working in … low CD4+ count usually means a weakened immune system and a higher chance of getting opportunistic infections. Why It Is … low CD4+ count usually means a weakened immune system and a higher chance of getting opportunistic infections. Why It Is …
Medical tests
… Information Test Overview Hepatitis C virus (HCV) test is a blood test that looks for the genetic material ( RNA ) of … makes against HCV. These proteins will be present in your blood if you have a hepatitis C infection now or have had … choose the proper treatment. HCV is spread through infected blood. There is no vaccine available to prevent hepatitis C. …
Medical tests
… . A test for DHEA-S checks the level of this hormone in the blood. Testosterone affects sexual features and development. … because that is when the amount of DHEA-S is at its highest. Women may be asked to take the test at a certain … because that is when the amount of DHEA-S is at its highest. Women may be asked to take the test at a certain …
Medical tests
… pictures of structures more clearly. The dye may help show blood flow, look for some types of tumours, and show areas … Look for the cause of headaches. Help diagnose a stroke or blood vessel problems in the head. Problems with blood vessels may include an aneurysm or abnormal twisted …
Medical tests
… is used to find problems such as tumours, bleeding, injury, blood vessel diseases, or infection. MRI also may be done to … the chest can look at the heart, the valves, and coronary blood vessels . It can show if the heart or lungs are … of the chest may also be used to look for breast cancer. Blood vessels. Using MRI to look at blood vessels and the …
Medical tests
… you may have celiac disease, he or she will order a simple blood test that looks for these antibodies. Why It Is Done A … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… Risks Results Test Overview A rubella blood test detects antibodies that are made by the immune … help kill the rubella virus. These antibodies remain in the bloodstream for years. The presence of certain antibodies … methods can be used to detect rubella antibodies in the blood. The most commonly used method is the enzyme-linked …
