329 results found
Medical tests
… Ketone Test On this page: Test Overview Why It Is Done How To Prepare How It Is … Test Overview A ketone test checks for ketones in your blood or urine. Ketones are substances that are made when the body breaks down fat for energy. Normally, your body gets the energy it needs from carbohydrate in your …
Medical tests
… Fetal Blood Sampling (FBS) During Pregnancy On this page: Overview How It Is Done Results Overview Fetal blood … Rh-sensitized and you are carrying an Rh-positive fetus, your immune system can attack the fetus's red blood cells. … cell count and oxygen level. It also looks for signs that your immune system is destroying fetal red blood cells. How …
Medical tests
… Computed Tomography (CT) Scan of the Spine On this page: Test Overview Why It Is Done How To Prepare How It Is … of the scanning machine can tilt to follow the curve of your spine. All of the pictures are saved as a group on a … dye called contrast material may be put in a vein ( IV ) in your arm or into the spinal canal. The dye makes structures …
Medical tests
… Magnetic Resonance Angiogram (MRA) On this page: Test Overview Why It Is Done How To Prepare How It Is … 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 …
Medical tests
… Vaginal Wet Mount On this page: Test Overview Why It Is Done How To Prepare How It Is … to prepare for this test. How It Is Done You will take off your clothes below the waist and drape a gown around your waist. You will then lie on your back on an examination …
Medical tests
… Upper Gastrointestinal (UGI) Series On this page: Test Overview Why It Is Done How To Prepare How It Is … The barium is often combined with gas-making crystals. Your doctor watches the barium move through your esophagus, stomach, and the first part of the small …
Medical tests
… CD4+ Count Test On this page: Test Overview Why It Is Done How To Prepare How It Is … 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 ). …
Medical tests
… Celiac Disease Antibodies Test On this page: Test Overview Why It Is Done How To Prepare How It Is … 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 …
Medical tests
… Reticulocyte Count On this page: Test Overview Why It Is Done How To Prepare How It Is … 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
… Blood Type Test On this page: Test Overview Why It Is Done How To Prepare How It Is … 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. …
