329 results found
Medical tests
… Studies On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … of muscles when they're at rest and when they're being used. Nerve conduction studies measure how well and how fast … tests may take from 15 minutes to 1 hour or more. It depends on how many nerves and muscles your doctor tests. How …
Medical tests
… Body Temperature On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … you take a temperature, read the instructions for how to use your type of thermometer. Oral (by mouth) is the most … or ear (tympanic). But the temperature readings vary depending on which one you use. And you need an accurate …
Medical tests
… Time (PTT) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … the time it takes your blood to clot. A PTT test can be used to check for bleeding problems. Blood clotting factors … or lupus anticoagulant syndrome. These conditions happen when the immune system makes antibodies that attack …
Medical tests
… Iron (Fe) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … such as transferrin or ferritin, or stored in body tissues. When red blood cells die, their iron is released and carried … liver and spleen. In the bone marrow, iron is stored and used as needed to make new red blood cells. The source of …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Check for a tumour in the adrenal glands. Find the cause of high blood pressure or low blood potassium levels. … . The amount of aldosterone in blood changes depending on whether you are standing up or lying down. If …
Medical tests
… Lipase Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … sample. High amounts of lipase may be found in the blood when the pancreas is damaged or when the tube leading from … having a lipase test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… D-Dimer Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, … for blood-clotting problems. A d-dimer test can also be used to check how well a treatment is working. Why It Is …
Medical tests
… (ANA) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … and destroys foreign substances such as bacteria and viruses. But in disorders known as autoimmune diseases, the … amount of ANA in their blood. For instance, this can happen in some people with a family history of autoimmune …
Medical tests
… Bilirubin Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … of the eyes may look yellow (jaundice). Jaundice may be caused by liver disease ( hepatitis ), blood disorders ( … Normal values in newborns Normal values in newborns depend on the age of the baby in hours and whether the baby …
Medical tests
… Viral Load Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … ( RNA ) of HIV in the blood. Viral load is first measured when you are diagnosed with HIV infection. This first … done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is working. This …