4502 results found
Medical tests
… Sickle Cell Test On this page: Test Overview Why It Is Done How To … Test Overview A sickle cell test is a blood test done to check for sickle cell trait or sickle cell disease . Sickle cell disease is an inherited blood disease that causes red blood cells to be deformed ( …
Medical tests
… D-Xylose Absorption Test On this page: Test Overview Why It Is Done How To … test measures the level of D-xylose, a type of sugar, in a blood or urine sample. This test is done to help diagnose … is not absorbed by the intestines, and its level in blood and urine is low. Why It Is Done A test for D-xylose …
Medical tests
… Tilt Table Test On this page: Test Overview Why It Is Done How To … symptoms are caused by problems with your heart rate or blood pressure. How To Prepare You may be asked to not eat … before the test. You may need to have someone drive you home after the test. Tell your doctor ALL the medicines and …
Medical tests
… Thyroid Hormone Tests On this page: Test Overview Why It Is Done How To … Test Overview Thyroid testing Thyroid hormone tests are blood tests that check how well the thyroid gland is … way the body uses energy ( metabolism ). Thyroid hormone blood tests include: Total thyroxine (T4) and free thyroxine …
Medical tests
… Lead (Pb) Test On this page: Test Overview Why It Is Done How To … This test measures the amount of lead in a person's blood. Lead is a poisonous (toxic) metal that can damage the … and other parts of the body. A lead test may be done on blood taken from the vein, a finger (finger stick), or the …
Health topics
… Blood Clots in the Leg Veins On this page: Overview Overview Blood clots can happen in veins. A blood clot in a vein close to the skin isn't likely to cause …
Health topics
… Eye Problems and Blood in the Eye On this page: Overview Overview Sometimes small blood vessels in the whites of the eyes break and cause a … or speck. This is called a subconjunctival hemorrhage. The blood vessels may break because of sneezing, coughing, …
Medical tests
… Catecholamines in Urine Test On this page: Test Overview Why It Is Done How To … When you feel stressed, these hormones increase heart rate, blood pressure, breathing rate, muscle strength, and mental … the test. How It Is Done This test is usually done at home. You must collect all the urine you produce in a …
Medical tests
… Aldosterone in Urine Test On this page: Test Overview Why It Is Done How To … sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in … (Inspra). How It Is Done This test is usually done at home. You must collect all the urine you produce in a …
Medical tests
… Phosphate in Urine Test On this page: Test Overview Why It Is Done How To … tells you to. How It Is Done This test is usually done at home. You must collect all the urine you produce in a … not get toilet paper, pubic hair, stool (feces), menstrual blood, or anything else in your urine sample. How It Feels …
