329 results found
Medical tests
… assay (ELISA). This test is usually the first one used to detect infection with HIV. If antibodies to HIV are … PCR testing isn't done as often as antibody testing, because it requires technical skill and expensive equipment. … tests are negative for the virus. The PCR test is very useful to find a very recent infection, find out if an HIV …
Medical tests
… blood tests that measure lipids—fats and fatty substances used as a source of energy by your body. Lipids are found in … as part of a regular health examination. Your doctor may use the results to prevent, check on, or diagnose a medical … deposits in the skin (xanthomas). These symptoms may be caused by a genetic disease that causes very high cholesterol …
Medical tests
… Test Overview Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve … in the chest when the heart beats. Some diseases cause fluid to collect within the pericardium. This fluid … pericardial effusion . The test may be done to find the cause of a pericardial effusion. During this test, a needle is …
Medical tests
… into the thyroid gland. Many thyroid specialists like to use a needle biopsy method rather than surgery. Core needle … This method is done when other tests have not found the cause of your symptoms. Open biopsy is not as commonly done as … Why It Is Done A thyroid biopsy is done to find the cause of a lump (nodule) found in the thyroid gland . Lumps in …
Medical tests
… to make sure there is a good sample. The doctor may use ultrasound to guide the needle during the biopsy. The … but they are rare. Bleeding into the muscle, which can cause soreness. Bleeding into the kidney. Infection of the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… carbon dioxide in the blood from an artery. This test is used to find out how well your lungs are able to move oxygen … dioxide moves out of the blood into the lungs. An ABG test uses blood drawn from an artery, where the oxygen and carbon … passed through the body's tissues where the oxygen is used up and carbon dioxide is produced. Why It Is Done An …
Medical tests
… has spread (metastasized) to the bone. Help diagnose the cause or location of unexplained bone pain, such as ongoing … , not clearly seen on X-ray. Find damage to the bones caused by infection or other conditions, such as Paget's … get through 1 to 2 days of feeding. The radioactive tracer used in this test can get into your breast milk and is not …
Medical tests
… in the pleural space. But too much fluid can build up because of problems such as infection, heart failure, and lung … may be done to help with shortness of breath and pain caused by the fluid buildup. Or you may have it done so the doctor can test the fluid to find the cause of the buildup. Your doctor will put a long, thin needle …
Medical tests
… Risks Results Test Overview A myelogram uses X-rays and a special dye called contrast material to … as a herniated disc , or narrowing of the spinal canal caused by arthritis. The spinal canal holds the spinal cord, … clearly. Pictures may be taken before and after the dye is used. To get more information from the test, a CT scan is …
Medical tests
… . A chest X-ray is the most common imaging test or X-ray used to find problems inside the chest. A chest X-ray can … the information they need from a chest X-ray to find the cause of a problem. If the results from a chest X-ray are not … Why It Is Done A chest X-ray is done to: Help find the cause of common symptoms such as a cough, shortness of breath, …
