328 results found
Medical tests
… Vitamin B12 Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … may feel nothing at all from the needle, or you may feel a quick sting or pinch. Risks There is very little chance of a … why the results may not be helpful include: Taking certain medicines that might affect your test results. Tell your …
Medical tests
… Tympanometry On this page: Overview Why It Is Done Results Overview Tympanometry tests the movement of the eardrum when … or whether an ear tube is blocked. The test can also discover whether there is a hole in the eardrum. This …
Medical tests
… Transthoracic Echocardiogram On this page: Test Overview Why It Is Done How to Prepare How It Is Done How It Feels Risks Results Test Overview An echocardiogram (also called an echo) uses sound … above your waist. You may be given a cloth or paper covering to use during the test. You will lie on your back or …
Medical tests
… Growth Hormone Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … It Is Done Blood levels of growth hormone (GH) can change quickly, so more than one blood sample may be taken on … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Risks There is very little chance of …
Medical tests
… Electrophysiology Tests for the Eyes On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … repeated patterns (checkerboard or dotted) that appear in quick flashes on a screen. The size or intensity of the … repeated patterns (checkerboard or dotted) that appear in quick flashes on a screen. The size or intensity of the …
Medical tests
… Helicobacter Pylori Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … test, unless your doctor tells you to. Stool antigen test Medicines may change the results of this test. Be sure to … feel nothing at all from the needle. Or you might feel a quick sting or pinch. Urea breath test This test usually …
Medical tests
… Sweat Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview A sweat test, also called a sweat chloride test, … exercise normally before the test. If your child takes any medicines, give them on the usual schedule. You may help …
Medical tests
… Hair Analysis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Hair analysis is done by evaluating hair structure … levels of certain minerals in the hair. Also, the use of medicines such as birth control pills can change the mineral …
Medical tests
… Resonance Imaging (MRI) of the Spine On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An MRI is a test that uses a magnetic field and … Open Magnetic Resonance Imaging (MRI) Machine … Test Overview An MRI is a test that uses a magnetic field and …
Medical tests
… Galactosemia Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It … is removed. How It Feels Blood sample from a heel stick A quick sting or a pinch is usually felt when the lancet … nothing at all from the needle, or he or she may feel a quick sting or pinch. Urine sample A baby will usually feel …
