329 results found
Medical tests
… tracer liquid is put into a vein (intravenous, or IV ) in your arm. The tracer moves through your body, where much of it collects in the specific organ … (PET)—HowToPrepare Before you have a PET scan, tell your doctor if: You have diabetes. If you take medicine to …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get … aids, dentures, jewellery, watches, and hairpins) from your body. These objects may be attracted to the powerful …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is done A health … 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 …
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
… who have one autoimmune disease may get another one. Tell your doctor if you have any new or worse symptoms. These … This can show Hashimoto's thyroiditis. It also can help your doctor tell if mild hypothyroidism is likely to get … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… time tests, no matter the testing method. It lets your doctor understand results in the same way even when … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … the health professional will take a sample of blood from your fingertip instead of your vein. For a finger stick …
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
… 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 …