312 results found
Medical tests
… Gastrointestinal (UGI) Series On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … esophagus, stomach, and upper small intestine (duodenum). Why It Is Done An upper GI series is done to: Find the cause … Belly pain that is relieved or gets worse while eating. Severe heartburn or heartburn that occurs often. How …
Medical tests
… Doppler Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … to look at blood flow through vessels within solid organs. Why It Is Done Doppler ultrasound is done to: Find blood … Testing may be done before and after exercise, if you are healthy enough. Veins in the arms and legs For this test, …
Medical tests
… Ammonia Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … blood sample may be taken from either a vein or an artery. Why It Is Done An ammonia test is done to: Check how well … blood sample may be taken from either a vein or an artery. Why It Is Done An ammonia test is done to: Check how well …
Medical tests
… Phosphate in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of … may be done at the same time as a phosphate urine test. Why It Is Done A test to measure phosphate in urine may be …
Medical tests
… A1c Test On this page: Overview Why It Is Done How To Prepare How It Is Done How It Feels … in your target range can lower your chance for problems. Why It Is Done The A1c test is one of the tests used to … treatment, if needed. How To Prepare You don't need to stop eating before you have an A1c test. This test can be done at …
Medical tests
… Laryngoscopy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … for you. Rigid scopes are often used in surgery. Why It Is Done An indirect or direct laryngoscopy helps a … for you. Rigid scopes are often used in surgery. Why It Is Done An indirect or direct laryngoscopy helps a …
Medical tests
… and Triglycerides Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … Do not drink alcohol for 24 hours before the test. Why It Is Done Cholesterol and triglyceride testing is done: … Do not drink alcohol for 24 hours before the test. Why It Is Done Cholesterol and triglyceride testing is done: …
Medical tests
… Thyroid Scan On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … to see if cancer has spread to other areas of the body. Why It Is Done A thyroid scan is done to: Help find problems … Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the test. You may need to …
Medical tests
… Electronystagmography (ENG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … warm or cold water (or air) is placed inside your ears. Why It Is Done Electronystagmography (ENG) is done to: Find … warm or cold water (or air) is placed inside your ears. Why It Is Done Electronystagmography (ENG) is done to: Find …
Medical tests
… Rheumatoid Factor (RF) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … rheumatoid arthritis ) and some infections. Sometimes a healthy person can have a high RF level. The amount of RF in … sample and allows less light to pass through the tube. Why It Is Done A test for rheumatoid factor is done to help …