265 results found
Medical tests
… Blood Glucose Test On this page: Test Overview Why It Is Done How … It Feels Risks Results Test Overview A blood glucose test measures the amount of a type of sugar, called …
Medical tests
… Oral Glucose Tolerance Test (OGTT) On this page: Test Overview … strenuous exercise for at least 8 hours before your first blood sample is taken. (You can drink water before the test.) How It Is Done A blood sample is taken when you arrive for the test. This is …
Medical tests
… Blood Culture On this page: Test Overview Why It Is Done How … It Feels Risks Results Test Overview Blood normally doesn't have any bacteria or fungi in it. A blood culture is a test of a blood sample to find germs …
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 … Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), and it helps the …
Medical tests
… Blood Type Test On this page: Test Overview Why It Is Done … It Feels Risks Results Test Overview Blood type tests are done before a person gets a blood transfusion and to check a pregnant woman's blood …
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 …
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 …
