329 results found
Medical tests
… space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … is often done after the X-rays, while the dye is still in your body. Why It Is Done A myelogram is done to check for: … by other tests, such as an MRI or a CT scan. How To Prepare Your doctor will tell you if you need to change how much you …
Medical tests
… Test Overview Cardiac catheterization is a test to check your heart. This test uses a thin, flexible tube called a … chambers, the heart valves, and the wall of the heart. In children, this test is used to check for heart problems that … exactly about when to stop eating and drinking. If your doctor told you to take your medicines on the day of …
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
… doctor can test the fluid to find the cause of the buildup. Your doctor will put a long, thin needle or a thin plastic tube, called a catheter, between two of your ribs. The doctor will use the needle or catheter to … will take about 15 minutes. You can go back to work or your normal activities as soon as you feel up to it. Why It …
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
… 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 … table. Two elastic belts with sensors are placed across your belly. One sensor tracks your baby's heart rate with …
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 …
