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Health topics
… Blood Transfusions: Should I Bank Blood Before Surgery? Decision Point You may want to have a … countries. If you have had many blood transfusions, your body may have formed antibodies against donated blood. Your …
Health topics
… Heart Failure: Compensation by the Heart and Body On this page: Overview Overview … failure means that your heart muscle doesn't pump as much blood as your body needs. Because your heart can't pump … When this occurs, the body believes that there isn't enough fluid inside its vessels. The body's hormone and nervous …
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 …
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 contains the mineral phosphorus. The body needs phosphorus to build and repair bones and teeth, …
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 … hormone (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), …
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 … Damaged arteries can lead to problems throughout your body. The higher your blood pressure, the greater your risk. …
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, … foods . It is the main source of energy used by the body. Insulin is a hormone that helps your body's cells use …
Health topics
… High Blood Pressure Learning Center Learn about high blood pressure Blood pressure is a measure of how hard the … against the walls of your arteries as it moves through your body. Your blood pressure naturally goes up and down …
Health topics
… Pregnancy: Blood Clots On this page: Overview Overview A blood clot is a clump of blood that forms in a blood vessel. … Trust yourself, and be direct. You are the expert on your body. If something doesn't feel right, get help. If you …
Medical tests
… Computed Tomography (CT) Scan of the Body On this page: Test Overview Why It Is Done How To … , adrenal glands , lungs, and heart. It also can study blood vessels, bones, and the spinal cord. Fluoroscopy CT is … or infections are present. No bleeding or collections of fluid are present. Abnormal: An organ is too large or too …
