329 results found
Medical tests
… (EKG or ECG) records the electrical activity of your heart while you do your usual activities. Ambulatory … only during certain activities. These include exercise, eating, sex, stress, bowel movements, and even sleeping. An … include magnets, microwave ovens, and electric blankets. Signals from these types of electronic equipment can …
Medical tests
… or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" the signals and can measure how … 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
… Results Test Overview Vision is the result of electrical signals that travel between the retina and the part of the … These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 …
Medical tests
… women for gestational diabetes. How To Prepare Tell your doctor about all the prescription and non-prescription … not low. Symptoms of low blood glucose include weakness, hunger, sweating, and feeling nervous or restless. If you develop …
Medical tests
… Test Overview A cardiac blood pool scan shows how well your heart is pumping blood to the rest of your body. During this test, a small amount of a radioactive … acquisition scan). This scan uses the electrical signals of the heart to trigger the camera to take a series …
Medical tests
… Test Overview Laryngoscopy is an examination that lets your doctor look at the back of your throat, your voice box (larynx) , and vocal cords with a scope …
Medical tests
… the mouth and gently moved down the throat. It goes through your esophagus , stomach, and duodenum until it reaches the … procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this … procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this …
Medical tests
… Overview A transesophageal echocardiogram is a test to help your doctor look at the inside of your heart. A small device … your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 … your doctor's instructions exactly about when to stop eating and drinking before the test. This may be about 8 …
Medical tests
… : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you … your doctor's instructions about how long you need to avoid eating and drinking before the test. Many medicines may … your doctor's instructions about how long you need to avoid eating and drinking before the test. Many medicines may …
Medical tests
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