329 results found
Medical tests
… are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … get treatment, HIV infection can progress to AIDS. Evaluate your risk for other infections ( opportunistic infections ). … as medicines to prevent Pneumocystis pneumonia. How often your CD4+ count is checked depends on your treatment, your …
Medical tests
… is a problem that happens when gluten in food causes your immune system to attack the lining of your small intestine. As part of this mistaken attack, your immune system creates certain proteins called …
Medical tests
… in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … medicines (especially beta-blockers and ACE inhibitors). Your doctor may have you take other medicines for a few … need to sit or lie down to relax for 1 to 2 hours before your blood is collected. A second blood sample may be …
Medical tests
… people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A blood. The liquid portion of your blood (plasma) has antibodies that attack type B blood. … (A+) blood. The B antigen. You have type B blood. Your plasma has antibodies that attack type A blood. About 9 …
Medical tests
… water) for 10 to 12 hours before the test. How It Is Done Your health professional drawing blood will: Wrap an elastic band around your upper arm to stop the flow of blood. This makes the … to the needle to fill it with blood. Remove the band from your arm when enough blood is collected. Put a gauze pad or …
Medical tests
… such as cimetidine, letrozole, and levodopa, can change your test results. You may be asked to stop taking medicines … having a follicle-stimulating hormone (FSH) test. Make sure your doctor has a complete list of all the prescription and … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… breathing it. The test measures the amount of hemoglobin in your blood that has bonded with carbon monoxide. Carbon … the oxygen that is normally carried by the hemoglobin in your red blood cells. As a result, your brain and other tissues get less oxygen. This can cause …
Medical tests
… how well the liver and kidneys are working. Find out if your diet contains enough protein. Help find the cause of … of breath. Globulin is tested to: Find out how well your body is able to fight off infection. See if you have a … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your doctor will also look at your results based on your …
Medical tests
… out whether a kidney stone or something else is blocking your urinary tract . During the test, your doctor will insert a thin, lighted tube ( cystoscope ) … need a local or regional anesthetic with this procedure. Your doctor may do this test if an intravenous pyelogram …
