329 results found
Medical tests
… having a lipase test. How 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 needle. Or you might feel a quick sting or pinch. Risks There is very …
Medical tests
… Information Test Overview A stool test is one of many tests used to look for colorectal cancer . Colorectal cancer … , colonoscopy , and CT colonography . Which screening test you choose depends on your risk, your preference, and your doctor. Talk to your …
Medical tests
… from a vein. Why It Is Done LDH levels help find the cause of lung disease, lymphoma, anemia, and liver disease. … is working. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. How It Is done A health …
Medical tests
… Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … are low. How To Prepare For 2 to 4 weeks before the test, you may be asked to stop taking medicines that can affect …
Medical tests
… her vulva and vagina . A vaginal self-examination may help you better understand your body, the changes that take place during the menstrual … a time when you are not having a menstrual period. Do not use vaginal creams or douches before doing the examination. …
Medical tests
… liver and spleen. In the bone marrow, iron is stored and used as needed to make new red blood cells. The source of … Check for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to keep the right amount of iron in your blood is working. How To Prepare Do not eat or drink …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … Check for a tumour in the adrenal glands. Find the cause of high blood pressure or low blood potassium levels. … test is often done at the time of a routine blood test. You don't need to do anything before having routine blood …
Medical tests
… Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … is often done after the X-rays, while the dye is still in your body. Why It Is Done A myelogram is done to check for: …
Medical tests
… muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes … a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very …
Medical tests
… the blood (such as electrolytes ). A chemistry screen tells your doctor about your general health, helps look for certain problems, and … you have this test. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
