3920 results found
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 …
Health topics
… new heart valve. Your doctor will put the catheter into a blood vessel in your upper leg (groin) or chest. The doctor moves the catheter through the blood vessel and into your heart. The replacement valve fits … relax. You won't feel pain when the catheter is put in the blood vessel. You may stay in the hospital for up to a few …
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 …
Health topics
… people with lupus produce an antibody that attacks certain blood-clotting factors, which can cause the blood to clot easily. footnote 1 A person who has this antibody and has had blood clots is said to have antiphospholipid antibody …
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, …
Health topics
… . A sickle cell crisis occurs when sickle-shaped red blood cells clump together and block small blood vessels that carry blood to certain organs, muscles, … how long it lasts. Sometimes, non-prescription, or over-the-counter , pain relievers such as ibuprofen can help. Other …
