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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
… 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
… 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
… Prolactin Blood Test On this page: Test Overview Why It Is Done How To … prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, which … is making large amounts of prolactin. How To Prepare A blood prolactin test is usually done about 3 hours after you …
Medical tests
… Blood Glucose Test On this page: Test Overview Why It Is … It Feels Risks Results Test Overview A blood glucose test measures the amount of a type of sugar, called glucose, in your blood. Glucose comes from carbohydrate foods . It is the …
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
… 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) … the consumption of alcohol is prohibited—for example, in underage people suspected of drinking or in people enrolled …
Health topics
… Pregnancy: Blood Clots On this page: Overview Overview A blood clot is a clump of blood that forms in a blood vessel. … back of the knee, thigh, or groin. A colour change on the skin of the arm, leg, or groin. The skin may be reddish or …
Health topics
… High Blood Pressure On this page: Health Tools … Information What is high blood pressure? Blood pressure is a measure of how hard the … and other problems. What causes it? Experts don't fully understand the exact cause of high blood pressure. But they …
