329 results found
Medical tests
… an echogram, or a scan. They may be saved as part of your baby's record. Fetal ultrasound can be done two ways. … a small hand-held device called a transducer is moved over your belly. In a transvaginal ultrasound, a transducer is put into your vagina. Fetal ultrasound is the safest way to check for …
Medical tests
… dye ( contrast material ) is put in a vein ( IV ) in your arm or hand to make the blood vessels easier to see on the scan. If you are having this test to look at your heart and the blood vessels that go to it ( coronary … the test to get through 1 to 2 days of feeding. The radioactive tracer used in this test can get into your breast …
Medical tests
… Prepare If you take a medicine that prevents blood clots, your doctor may tell you to stop taking it before your procedure. Or your doctor may tell you to keep taking it. (These medicines …
Medical tests
… you can expect. And it will help you safely prepare for your test. Preparing for the test Tell your doctor if you are allergic to iodine. Iodine is usually … used in the contrast material that the doctor will put in your bladder. Tell your doctor if you are or might be …
Medical tests
… It measures the density of minerals (such as calcium ) in your bones. This information helps your doctor estimate the strength of your bones. We all lose … Dual photon absorptiometry (DPA). This test uses a radioactive substance to measure bone density. It can measure …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … in the air that you breathe out (exhale). You can measure your own breath alcohol level with a simple hand-held … directions, it can provide an accurate estimate of your blood alcohol level. There are different types of …
Medical tests
… urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in the liver and passed out of your … cause overhydration and cause a low BUN value. Women and children may have lower BUN levels than men because of how …
Medical tests
… Test Overview The blood supply to your hand normally comes from two arteries: the radial … the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of … How It Is Done For the Allen test, you will likely rest your hand on a table or towel and make a fist. The health …
Medical tests
… plaque is done using a product that stains the plaque on your teeth. Dental plaque is a sticky film of bacteria that sticks to your teeth, the spaces between the teeth, and under your gums. It can harden into tartar. The stain lets you to …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body breaks down these hormones and passes them into …
