305 results found
Medical tests
… ultrasound test uses reflected sound waves to see how blood flows through a blood vessel. It helps doctors assess the blood flow through … blocked or narrowed blood vessels in almost any part of the body. It's most often used for the neck, arms, and legs. …
Medical tests
… you're having preterm labour. For this test, a sample of fluid is collected from the vagina or the opening to the … to view the cervix. Next, a sterile swab is used to absorb fluid from the cervix or vagina. The speculum is removed. … you're having preterm labour. For this test, a sample of fluid is collected from the vagina or the opening to the …
Medical tests
… diseases measure the amount of certain antibodies in your blood. Your body makes antibodies to attack and destroy substances such … the connective tissues, such as the skin and joints, and blood vessels and other tissues. Autoimmune tests may …
Medical tests
… Information Test Overview Prothrombin time (PT) is a blood test that measures how long it takes blood to clot. A prothrombin time test can be used to check … and alanine aminotransferase. Check to see if the body is using up its clotting factors so quickly that the …
Medical tests
… Overview A folate test measures the amount of folate in the blood. Folate is one of many B vitamins. The body needs folate for normal growth and to make red blood cells (RBC) , white blood cells (WBC) , and platelets …
Medical tests
… Overview A complement test uses a blood sample to detect a group of proteins that help the body attack foreign substances. When there are a lot of … develop our content . … Overview A complement test uses a blood sample to detect a group of proteins that help the …
Medical tests
… hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your body. … levels. Find the cause of a high level of uric acid in the blood and help choose the proper treatment. How To Prepare …
Medical tests
… A vitamin D test measures the amount of vitamin D in the blood. Your body needs vitamin D to absorb calcium . Calcium keeps your … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a …
Medical tests
… amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and nerves. Tay-Sachs is an inherited disease in which the body can't break down fatty substances as it should, so the … children. The Tay-Sachs enzyme test is usually done on blood taken from a vein or from the umbilical cord right …
Medical tests
… is a painless examination to see whether the area where fluid drains out of your eye (called the drainage angle ) is … angle can be blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment … angle can be blocked. These include scar tissue, abnormal blood vessels, injury or infection, and extra colour pigment …