294 results found
Medical tests
… (AST) test measures the amount of this enzyme in the blood. AST is normally found in red blood cells , liver , heart, muscle tissue, pancreas , and … (SGOT). Low levels of AST are normally found in the blood. When body tissue or an organ such as the heart or …
Medical tests
… Information Test Overview The sedimentation rate (sed rate) blood test measures how quickly red blood cells (erythrocytes) settle in a test tube in one … is present in the body, certain proteins cause red blood cells to stick together and fall more quickly than …
Medical tests
… load test measures how much hepatitis C virus is in the blood. Viral load may be measured before, during, and after … test is done to see if there is any active virus in the blood. It's sometimes used to see how well treatment for … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels You may …
Medical tests
… vitamin B12 test measures the amount of vitamin B12 in the blood. The body needs this B vitamin to make blood cells and to maintain a healthy nervous system . … the test. How It Is Done Your health professional drawing blood will: Wrap an elastic band around your upper arm to …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures the … directions, it can provide an accurate estimate of your blood alcohol level. There are different types of devices … drunk drivers. Within minutes after you drink alcohol, your blood alcohol concentration starts to rise. Unlike food, …
Medical tests
… Pericardiocentesis On this page: Test Overview Why It Is Done … pericardium . It protects the heart and parts of the major blood vessels connected to the heart. Normally, there is a … fluid is sent to a lab where it is measured and checked for blood, microorganisms (such as bacteria, fungi , or …
Medical tests
… You get an injection of a radioactive tracer into your blood. Then your doctor uses a special camera to see how well your heart is pumping blood. Invasive procedure. This test is done as part of a cardiac catheterization . Your doctor inserts a thin, …
Medical tests
… is most often used to find a pulmonary embolism . This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually … you stored before the test, or you can give formula. Discard the breast milk you pump in the 1 or 2 days after the …
Medical tests
… Cardiac Perfusion Scan On this page: Test Overview Why It Is … Overview A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been … attack to see if areas of the heart are not getting enough blood or to find out how much heart muscle has been damaged …
Medical tests
… the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, … as ACTH. ACTH is released in bursts, so its levels in the blood can vary from minute to minute. Interpretation of the …
