329 results found
Medical tests
… C-Peptide Test On this page: Test Overview Why It Is Done How To Prepare How It Is … the cause of low blood sugar (hypoglycemia). How To Prepare Your doctor will give you instructions about eating and … used to treat type 2 diabetes can change the test results. Your doctor may ask you to stop these medicines before your …
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 … in severe cases, have below-average intelligence. Older children also need thyroid hormones to grow and develop …
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 … cause overhydration and cause a low BUN value. Women and children may have lower BUN levels than men because of how …
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
… 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). … newborns are screened for congenital hypothyroidism. Older children also need thyroid hormones to grow and develop …
Medical tests
… Breast Ultrasound On this page: Test Overview Why It Is Done How To Prepare How It Is … See how far cancer has spread in a breast. Check your breasts if you have silicone breast implants or dense … there's nothing you have to do before this test, unless your doctor tells you to. Wear something that makes it easy …
