312 results found
Medical tests
… Sampling (CVS) On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels … Pregnancy: Should I Have CVS (Chorionic Villus Sampling)? Why It Is Done CVS may be done during your first trimester … but normal results don't guarantee that your baby will be healthy. In rare cases, the chorionic villus cells may have …
Medical tests
… Electroencephalogram (EEG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … activity can show certain conditions, such as seizures . Why It Is Done An EEG may be done to: Check for epilepsy and … activity can show certain conditions, such as seizures . Why It Is Done An EEG may be done to: Check for epilepsy and …
Medical tests
… Tests for the Eyes On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … respond to certain things you look at during the test. Why It Is Done The different electrophysiology tests are … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 …
Medical tests
… Breast Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … be done if the results of a needle biopsy were uncertain. Why It Is Done A breast biopsy checks to see if a breast … , follow the instructions exactly about when to stop eating and drinking, or your surgery may be cancelled. If …
Medical tests
… Cardiac Blood Pool Scan On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … different ways to check how well the heart is working. Why It Is Done A cardiac blood pool scan is done to: Check … different ways to check how well the heart is working. Why It Is Done A cardiac blood pool scan is done to: Check …
Medical tests
… Cardiac Catheterization On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … narrowed or blocked arteries from coronary artery disease . Why It Is Done Cardiac catheterization is done to: Check on … Prepare Follow the instructions exactly about when to stop eating and drinking. If your doctor told you to take your …
Medical tests
… Needle Biopsy of the Liver On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … the biopsy. Your doctor will discuss the results with you. Why It Is Done A needle biopsy of the liver may be done to: … own. Follow the instructions exactly about when to stop eating and drinking. If you don't, your procedure may be …
Medical tests
… and Creatinine Clearance On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … that may cause abnormal BUN and creatinine levels. Why It Is Done These tests are done: To see if your kidneys … that may cause abnormal BUN and creatinine levels. Why It Is Done These tests are done: To see if your kidneys …
Medical tests
… Imaging (MRI) of the Abdomen On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … of MRI—the standard MRI machine and the open MRI machine . Why It Is Done Magnetic resonance imaging (MRI) of the … of MRI—the standard MRI machine and the open MRI machine . Why It Is Done Magnetic resonance imaging (MRI) of the …
Medical tests
… Computed Tomography (SPECT) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels … such as the gall bladder, liver, spleen, and kidneys. Why It Is Done A SPECT scan is done to: Check to see how … such as the gall bladder, liver, spleen, and kidneys. Why It Is Done A SPECT scan is done to: Check to see how …
