265 results found
Medical tests
… test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How long the test takes … The test will take several minutes. How It Feels When a blood sample is taken, you may feel nothing at all from the …
Medical tests
… Information Test Overview The hepatitis A virus test is a blood test that shows if you have a hepatitis A infection … made by the body to fight the virus. They will be in your blood if you have a hepatitis A infection now or have had … to 12 weeks after you are first infected. They stay in your blood and protect you from hepatitis A permanently. Why It …
Medical tests
… Information Test Overview An alpha-fetoprotein (AFP) blood test checks the level of AFP in a pregnant woman's blood. AFP is a substance made in the liver of an unborn baby (fetus). The amount of AFP in the blood of a pregnant woman can help see whether the baby may …
Medical tests
… Monitor heart function during surgery. Look for masses or blood clots in the upper left chamber (left atrium) of the … a replacement heart valve works. Measure the speed at which blood travels through the heart. Measure the blood pressure and speed of blood flow through the heart …
Medical tests
… chest pains. Check how well your heart is pumping blood. Check to see how well your heart valves are working. Look for blood clots inside your heart. Measure the size and shape of the heart's chambers. Measure the blood pressure and speed of blood flow through the heart. …
Medical tests
… help nerves work, make muscles squeeze together, help blood clot, and help the heart to work. Almost all of the … in the body is stored in bone. The rest is found in the blood. Normally the level of calcium in the blood is carefully controlled. When blood calcium levels get …
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 …
