329 results found
Medical tests
… On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … hold still during the scan. You may be asked to hold your breath for short periods. You may be alone in the scanning … 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
… in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … the level of calcium in the blood is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the … such as hyperparathyroidism , bone diseases, or pancreatitis . How To Prepare You may be asked to follow a …
Medical tests
… Bilirubin Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … a brownish yellow substance found in bile . It is produced when the liver breaks down old red blood cells. Bilirubin is … problems. So some babies who develop jaundice may need treatment to lower their bilirubin levels. Why It Is Done The …
Medical tests
… Stool Culture On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … other tests are done to find the right medicine for treating the infection. This is called sensitivity testing. … enema. How It Is Done Stool samples can be collected at home. Or you may need to go to your doctor's office, a …
Medical tests
… Sweat Test On this page: Test Overview Why It Is Done How To … as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more …
Medical tests
… for the Eyes On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology includes … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 …
Medical tests
… Esophagus Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … sphincter . This may cause reflux. Weak muscle contractions when you swallow. This could slow the rate at which food or … normal during an endoscopy test. Check how well GERD treatment is working. Detect spasms of the esophagus. Spasms …
Medical tests
… in Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin D level, … (hypoparathyroidism), acromegaly , healing fractures, untreated diabetic ketoacidosis , or certain bone diseases. Too …
Medical tests
… (HSG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … types of problems may cause painful menstrual periods or repeated miscarriages . See if surgery to reverse a tubal … has been successful. How To Prepare Schedule your test for when you won't be having your period. Your doctor may …
Medical tests
… Studies On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … (EMG) measures the electrical activity of muscles when they're at rest and when they're being used. Nerve … control the muscles in the body with electrical signals called impulses. These impulses make the muscles react in …