329 results found
Medical tests
… Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … or come back. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … body in urine. A small amount passes out of the body in stool. But if too much uric acid is being produced or if the … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … of ferritin in the blood shows how much iron is stored in your body. Why It Is Done A ferritin blood test is done to: … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … bone problems seen on an X-ray. An open bone biopsy allows your doctor to do surgical treatment at the same time, if … eating and drinking. Follow the instructions exactly about when to stop eating and drinking, or your surgery may be …
Medical tests
… Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … hormone (LH) test may be done to: Help find out why you can't get pregnant (infertility). LH testing is often … puberty (also called precocious puberty). Puberty is early when it starts in females younger than age 8 and in males …
Medical tests
… Head On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … or computed tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) … If a contrast material is used, you may feel some coolness when it is put into your IV. In rare cases, you may feel: …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … space (subarachnoid space) between the bones in your spine (spinal canal). A myelogram may be done to find a … You may feel a quick, sharp pain down your buttock or leg when the needle is moved in your spine. You may find it hard …
Medical tests
… X-Ray On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … Overview A chest X-ray is a picture of the chest that shows your heart, lungs, airway, blood vessels, and lymph nodes . … of the chest and another from the side. In an emergency when only one X-ray picture is taken, a front view is …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … an accurate estimate of your blood alcohol level. There are different types of devices available. You can get simple … balloon and a tube) containing crystals that change colour when exposed to alcohol from your breath. This device is …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Related … called plaque in a blood vessel. During a CT angiogram, you lie on a table that passes through a doughnut-shaped … or blockage in the coronary arteries. This can occur when there is a buildup of fat ( cholesterol ) and calcium …
