305 results found
Medical tests
… Test Overview A hemoglobin electrophoresis test is a blood test done to check the different types of hemoglobin in the blood. Hemoglobin is the substance in red blood cells that carries oxygen. The most common types of …
Medical tests
… Results Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . … it. The test measures the amount of hemoglobin in your blood that has bonded with carbon monoxide. Carbon monoxide … that is normally carried by the hemoglobin in your red blood cells. As a result, your brain and other tissues get …
Medical tests
… is recorded. But no electrical current is put into your body. An EEG is not the same as electroshock … has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a person has … has stopped. It's usually caused by lack of oxygen or blood flow inside the brain. It may happen when a person has …
Medical tests
… test measures the level of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the … the stomach, G cells trigger the release of gastrin in the blood. As blood levels of gastrin rise, the stomach releases acid …
Medical tests
… of skin. This pad is covered with plastic or wax to prevent fluid loss (evaporation). The new pad will soak up the sweat … of skin. This pad is covered with plastic or wax to prevent fluid loss (evaporation). The new pad will soak up the sweat …
Medical tests
… changes the levels of the hormone cortisol in the blood. This test checks for a condition in which large … pregnancy, and uncontrolled diabetes. The night before the blood test, you will take a dexamethasone pill. The next morning, the cortisol level in your blood will be measured. If your cortisol level stays high, …
Medical tests
… to measure the amount of this hormone in a pregnant woman's blood to see if the baby may have Down syndrome . Inhibin A … placenta during pregnancy. The level of inhibin A in the blood is used in a maternal serum quadruple screening test. … checks the levels of four substances in a pregnant woman's blood. The quad screen checks alpha-fetoprotein (AFP), human …
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 … of your heart muscle as your ventricles fill and pump blood. The size of your ventricles. How efficiently your …
Medical tests
… 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 … ) is given through an IV . The tracer travels through the blood and into the heart muscle. As the tracer moves through …
Medical tests
… Results Test Overview A CD4+ count is a blood test to see how well the immune system is working in … virus (HIV) . CD4+ cells are a type of white blood cell. White blood cells are important in fighting infections. CD4+ cells …