3411 results found
Medical tests
… Blood Alcohol Test On this page: Test Overview Why It Is … It Feels Risks Results Test Overview A blood alcohol test measures the amount of alcohol (ethanol) … in your body. Alcohol is quickly absorbed into the blood and can be measured within minutes of having an …
Health topics
… Pregnancy: Blood Clots On this page: Overview Overview A blood clot is a clump of blood that forms in a blood vessel. Sometimes clots happen …
Medical tests
… Potassium (K) in Blood Test On this page: Test Overview Why It Is Done How To … A potassium test checks how much potassium is in the blood. Potassium is both an electrolyte and a mineral. It … levels can be affected by how the kidneys are working, the blood pH , the amount of potassium you eat, the hormone …
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 … a catecholamine test. Catecholamines increase heart rate, blood pressure, breathing rate, muscle strength, and mental …
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 … The kidneys help control the amount of phosphate in the blood. Extra phosphate is filtered by the kidneys and passes …
Medical tests
… Renin Blood Test On this page: Test Overview Why It Is Done How To … Results Test Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an enzyme made by …
Medical tests
… Aldosterone in Blood Test On this page: Test Overview Why It Is Done How To … aldosterone (a hormone made by the adrenal glands ), in the blood. Aldosterone helps regulate sodium and potassium levels in the body. This helps control blood pressure and the balance of fluids and electrolytes in …
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 released in the blood. It helps carry certain hormones that regulate the way …
Medical tests
… Cortisol in Blood Test On this page: Test Overview Why It Is Done How To … is done to measure the level of the hormone cortisol in the blood. The cortisol level may show problems with the adrenal … be asked to lie down and relax for 30 minutes before the blood test. Some medicines, such as steroids, can affect …
Medical tests
… Lipase Blood Test On this page: Test Overview Why It Is Done How To … A lipase test measures the amount of this enzyme in a blood sample. High amounts of lipase may be found in the blood when the pancreas is damaged or when the tube leading …
