329 results found
Medical tests
… These tests tell how well your kidneys are working. Another substance, creatine (say "KREE-uh-teen"), is formed when … of blood creatinine and blood urea nitrogen (BUN) can be used to find the BUN-to-creatinine ratio. This ratio can … These tests tell how well your kidneys are working. Another substance, creatine (say "KREE-uh-teen"), is formed when …
Medical tests
… middle sections of the gastrointestinal tract . The test uses barium contrast material , fluoroscopy , and X-ray . … instead of an upper GI series in certain cases. Endoscopy uses a thin, flexible tube (endoscope) to look at the lining … motion that moves food through the intestines (motility disorders). Find swallowed objects. Generally, an upper GI …
Medical tests
… of muscles when they're at rest and when they're being used. Nerve conduction studies measure how well and how fast … muscles react in certain ways. Nerve and muscle problems cause the muscles to react in ways that aren't normal. If you … system.) These studies are often used to help find nerve disorders, such as carpal tunnel syndrome. How To Prepare …
Medical tests
… imaging (MRI) is a test done with a large machine that uses a magnetic field and pulses of radio wave energy to … can also be made. In some cases, a contrast material may be used during the MRI scan to show certain structures more … by injury and can lead to shoulder pain. Find rotator cuff disorders, including tears and impingement. MRI may also …
Medical tests
… blood. Viral load may be measured before, during, and after treatment. Why It Is Done This test is done to see if there is any active virus in the blood. It's sometimes used to see how well treatment for hepatitis C is working. And it's done after …
Medical tests
… Why It Is Done The carcinoembryonic antigen (CEA) test is used to monitor a person before and during treatment. Along with other tests, this test may be used to see how well a treatment is working. And in some cases, it may be used with …
Medical tests
… measurements will be compared with the baseline. With good treatment, the viral load should go down. Within a few months of treatment, the virus should become undetectable. This means … done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is working. This …
Medical tests
… in millilitres per second (mL/sec). This test is sometimes used to evaluate the impact that benign prostatic … (BPH) has on urine flow or to monitor the effect of treatment. Your doctor and studies about treatment for BPH may talk about this test as "peak urine …
Medical tests
… immune deficiency syndrome (AIDS) . If you don't get treatment, HIV infection can progress to AIDS. Evaluate your … ( opportunistic infections ). Decide when to start treatment to prevent opportunistic infections, such as … your HIV infection. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… as hemolytic anemia . Also, being at high altitudes may cause reticulocyte counts to rise, to help you adjust to the … marrow is working to make red blood cells. Check to see if treatment for anemia is working. For example, a higher reticulocyte count means that iron replacement treatment or other treatment to reverse the anemia is …