329 results found
Medical tests
… test measures the amount of this enzyme in a sample of blood taken from a vein or in a sample of urine. Normally, … for only a short time. In the urine, amylase may remain high for several days. Why It Is Done A test for amylase is … caused a hole in the stomach wall. Gallstones that are causing pancreatitis. Diabetic ketoacidosis . A ruptured …
Medical tests
… protein test measures the total amount of protein in the blood. It also measures the amounts of two major groups of … well the liver and kidneys are working. Find out if your diet contains enough protein. Help find the cause of … for you. Results are usually available within 12 hours. High values High albumin levels may be caused by: Severe …
Medical tests
… (hCG) test is done to check for the hormone hCG in blood or urine. Some hCG tests measure the exact amount. … that isn't in the normal range may still be normal for you. High values If you are pregnant, very high levels of hCG can mean a multiple pregnancy (such as …
Medical tests
… vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and … ball over the needle site as the needle is removed. Put pressure on the site and then put on a bandage. How It Feels … (SI units) 110–1500 picograms per millilitre (pg/mL) High values High levels of vitamin B12 can occur in liver …
Medical tests
… measures the amount of human growth hormone (GH) in the blood. GH is made by the pituitary gland and is needed for … and is affected by exercise, sleep, emotional stress, and diet. Too much GH during childhood can cause a child to grow … -like growth factor 1 (IGF-1). When the GH level is very high, the IGF-1 level is also very high. A test for IGF-1 …
Medical tests
… Test Overview Thyroid testing Thyroid hormone tests are blood tests that check how well the thyroid gland is … Done Thyroid hormone tests are done to: Find out what is causing an abnormal thyroid-stimulating hormone (TSH) test. … that may be related to your symptoms and past health. High values High thyroid hormone levels ( hyperthyroidism ) …
Medical tests
… of chemicals dissolved in the liquid part (serum) of the blood. Chemicals that affect serum osmolality include … that isn't in the normal range may still be normal for you. High values High levels may be caused by: Too little water … by some medicines, including diuretics and certain blood pressure medicines. A condition called syndrome of …
Medical tests
… Test Overview An iron test checks the amount of iron in the blood. Iron (Fe) is a mineral needed for hemoglobin, the … for too much or too little iron in the blood. See if your diet is providing enough iron. Find out if treatment to keep … iron-binding capacity (TIBC), and transferrin saturation. High and low values The values for serum iron, total …
Medical tests
… the amount of luteinizing hormone (LH) in a sample of blood or urine. LH is produced by the pituitary gland . LH … with you in relation to your symptoms and past health. High values High luteinizing hormone values may mean: Ovaries are absent …
Medical tests
… changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large … a dose of dexamethasone, cortisol levels often stay very high in people who have Cushing's syndrome. Sometimes other … Examples include heart attack or heart failure, fever, poor diet, an overactive thyroid gland (hyperthyroidism), …