329 results found
Medical tests
… Gastrin Test On this page: Test Overview Why It Is Done How To Prepare How It Is … as you want up to 1 hour before the test. Be sure to tell your doctor about all the non-prescription and prescription … the digestive hormone secretin is injected into a vein in your arm. More blood samples are taken at the time of the …
Medical tests
… Thyroid-Stimulating Hormone (TSH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To Prepare How It Is … prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … be asked to rest quietly for up to 30 minutes before having your blood drawn. Stimulation of the nipples can raise …
Medical tests
… Serum Protein Electrophoresis (SPEP) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… Blood Urea Nitrogen (BUN) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in the liver and passed out of your …
Medical tests
… Sodium (Na) in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be … sample is done at home. Timed urine collection You collect your urine for a period of time, such as over 4 or 24 hours. …
Medical tests
… Calcium (Ca) in Urine Test On this page: Test Overview Why It Is Done How To Prepare How It Is … in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines absorb. Phosphate in the body. Certain …
Medical tests
… Stool Tests for Colorectal Cancer On this page: Test Overview Why It Is Done How To Prepare How It Is … colonography . Which screening test you choose depends on your risk, your preference, and your doctor. Talk to your doctor about …
Medical tests
… Adrenocorticotropic Hormone (ACTH) Test On this page: Test Overview Why It Is Done How To Prepare How It Is … glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels …
Medical tests
… Thyroid Hormone Tests On this page: Test Overview Why It Is Done How To Prepare How It Is … gland is a butterfly-shaped gland that lies in front of your windpipe (trachea), just below your voice box (larynx). The thyroid gland uses iodine from …
