329 results found
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
… hours before the test. Because this is a test involving your heart, you may have to stay overnight in the hospital … help you relax. You will get a shot of anesthetic to numb your skin and deeper tissues. Then a long, thin needle will be carefully inserted just below your breastbone. (In some cases, the needle is inserted …
Medical tests
… generally nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood sample from a … There is very little risk of a problem from a heel stick. Your baby may get a small bruise at the puncture site. Blood … in adults Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… (CVS) is a test that can find certain problems with your fetus . These include many diseases that run in … but normal results don't guarantee that your baby will be healthy. In rare cases, the chorionic villus cells may have … but normal results don't guarantee that your baby will be healthy. In rare cases, the chorionic villus cells may have …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer is moved across your chest. It looks like a microphone. The transducer sends sound waves that echo off your heart and back to the transducer. These echoes are …
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
… Anoscopy, proctoscopy, and sigmoidoscopy tests allow your doctor to look at the inner lining of your anus, your rectum, and the lower part of the large intestine …
Medical tests
… cancer is normally one of the lymph nodes under the arm. Your doctor injects a blue dye or special tracer substance … Prepare Follow the instructions exactly about when to stop eating and drinking. If you don't, your test may be … Prepare Follow the instructions exactly about when to stop eating and drinking. If you don't, your test may be …
Medical tests
… alcohol test measures the amount of alcohol (ethanol) in your body. Alcohol is quickly absorbed into the blood and … . The rest of it is passed out of the body in urine and your exhaled breath. Alcohol has a noticeable effect on the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your stomach. It moves food and liquid down to the stomach. …
