329 results found
Medical tests
… D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium keeps your bones and muscles healthy and strong. If your muscles don't get enough … D to absorb calcium . Calcium keeps your bones and muscles healthy and strong. If your muscles don't get enough …
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
… cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … cells to clump together (agglutinate) at low temperatures. Healthy people generally have low levels of cold agglutinins …
Medical tests
… and fatty substances used as a source of energy by your body. Lipids are found in your blood and are stored in tissues. They are an important part of cells, and they help keep your body working normally. Lipids include cholesterol , …
Medical tests
… or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" … Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You may need to … Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You may need to …
Medical tests
… Test Overview A cardiac blood pool scan shows how well your heart is pumping blood to the rest of your body. During this test, a small amount of a radioactive … To Prepare Before having a cardiac blood pool scan, tell your health professional if you: Are allergic to any …
Medical tests
… disease . A tumour in an adrenal gland. How To Prepare If your doctor tells you to fast before your test, do not eat or drink anything except water for 9 to 12 hours before you have your blood drawn. In most cases, you are allowed to take …
Medical tests
… a dye called contrast material is injected into a vein in your arm. A series of X-ray pictures is then taken at timed … back or flank pain. How To Prepare You may need to stop eating and drinking for 8 to 12 hours before the IVP. You … (anaphylaxis), such as after being stung by a bee or from eating shellfish. This test is often done in children to see …
Medical tests
… . For an MRI test, you are placed inside the magnet so that your belly is inside the strong magnetic field. MRI can find … to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … ride home. It may be unsafe for you to drive or get home on your own. How It Is Done Before the test You will need to …
Medical tests
… Normal 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 …
