329 results found
Medical tests
… should not eat or drink for 4 hours before the test. For children, there's generally nothing you have to do before this test, unless your doctor tells you to. How It Is Done Blood sample from a … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Digestive …
Medical tests
… you produce over a 24-hour period. You start collecting your urine in the morning. When you first get up, empty your bladder, but don't save this urine. Write down the time … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Pancreas …
Medical tests
… Check for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to keep the right amount of iron in your blood is working. How To Prepare Do not eat or drink … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview An iron …
Medical tests
… a test that measures and records the electrical activity of your brain. Special sensors called electrodes are attached … . Delta waves are normally found only in young children and in people who are asleep. Theta waves are … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery …
Medical tests
… tests may be done: To check, or screen, babies and young children for hearing problems that might affect their ability to learn, speak, or understand language. The Canadian … and doctors' groups suggest routine screening. Talk to your doctor about whether your child has been or should be …
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 … Prepare Follow the instructions exactly about when to stop eating and drinking. If your doctor told you to take your …
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 … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Large …
Medical tests
… can occur when parents pass on a changed gene to their child. If the changed gene is from both parents, the baby … to see whether you are a Tay-Sachs carrier, you should tell your doctor if you have had a blood transfusion in the past … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview This test …
Medical tests
… the tracer is put into a vein (intravenous, or IV ) in your arm. Sometimes it's taken by mouth or inhaled through the nose. The tracer moves through your body, where it may collect in the specific organ or … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview Single …
Medical tests
… . For an MRI test, you are placed inside the magnet so that your belly is inside the strong magnetic field. MRI can find … to not eat or drink for several hours before the test. Tell your doctor if you get nervous in tight spaces. You may get … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Magnetic …