2298 results found
Medical tests
… Sodium (Na) in Blood Test On this page: Test Overview Why It Is Done How To … It Feels Risks Results Test Overview A sodium test checks how much sodium is in the blood. Sodium …
Medical tests
… Sodium (Na) in Urine Test On this page: Test Overview Why It Is Done How To … Risks Results Test Overview A test for sodium in the urine is a 24-hour test or a one-time (spot) … Most of the sodium in the body (about 85%) is found in blood and lymph fluid . Sodium levels in the body are partly …
Medical tests
… Potassium (K) in Blood Test On this page: Test Overview Why It Is Done How To … nerves and muscles work. Potassium levels often change with sodium levels. When sodium levels go up, potassium levels go …
Medical tests
… Aldosterone in Blood Test On this page: Test Overview Why It Is Done How To … adrenal glands ), in the blood. Aldosterone helps regulate sodium and potassium levels in the body. This helps control …
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To … glands ) and several other substances to help balance sodium and potassium levels in the blood and fluid levels in … a renin test, you may be asked to follow a special low-sodium diet. You may be asked to not eat or drink anything …
Medical tests
… Blood Glucose Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done … It Feels Risks Results Test Overview A blood glucose test measures the amount of a type of sugar, …
Medical tests
… Blood Type Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done … It Feels Risks Results Test Overview Blood type tests are done before a person gets a blood …
Medical tests
… Phosphate in Blood Test On this page: Test Overview Why It Is Done How To … A phosphate test measures the amount of phosphate in a blood sample. Phosphate is a charged particle (ion) that …
Medical tests
… Catecholamines in Blood Test On this page: Test Overview Why It Is Done How To … hormones epinephrine, norepinephrine, and dopamine in the blood. These catecholamines are made by nerve tissue , the …
Medical tests
… Prealbumin Blood Test On this page: Test Overview Why It Is Done How To … Overview This test measures the amount of prealbumin in the blood. Prealbumin is a protein that is made in the liver and …