329 results found
Medical tests
… scan. A radioactive tracer is injected into a vein in your arm. It travels through your blood and into the lungs. Pictures from this scan can … The radioactive tracer used in this test can get into your breast milk and is not good for the baby. How It Is …
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 … you may be given a medicine called a beta-blocker to slow your heart rate during the test. Benefits and limitations A …
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
… The least expensive and most popular tests include: Skinfold thickness. A tool called a caliper is used to measure the thickness of fat at one or more places on your body. It is most accurate when a well-trained person … impedance. A small electrical current is passed through your body to measure your body's electrical resistance. This …
Medical tests
… Feels Test Overview A non-stress test is a test that checks your baby's heartbeat patterns. It can show heart rate … 2 hours before the test. This is because smoking affects your baby's heart rate and movements. How It Is Done For the … Medicine Lois Jovanovic MD - Endocrinology Femi Olatunbosun MB, FRCSC - Obstetrics and Gynecology Current as of: …
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 some bone mass as we age. Bones …
Medical tests
… The doctor puts a lighted tube through incisions in your belly. This tube is called a scope. Then the doctor … for surgery. Preparing for surgery You may need to empty your colon with an enema or laxative. Your doctor will tell you how to do this. Be sure you have …
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
… more study or printed out as photographs. Why It Is Done Your doctor may want you to have a coronary calcium scan if … clear about whether you should start treatment to reduce your risk of coronary artery disease. footnote 1 A coronary … or drink anything that has caffeine for a few hours before your test. Tell your doctor if you get nervous in tight …
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 body in the urine. A BUN test is done to see how well …
