329 results found
Medical tests
… (EKG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … are called ventricles. A natural electrical system causes the heart muscle to contract. This pumps blood through … to control the heartbeat. Check the health of the heart when other diseases or conditions are present. These include …
Medical tests
… Gastrin Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … blood sample is drawn. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Test Overview Pericardiocentesis is done to find the cause of fluid buildup around the heart and to relieve … stomach. These complications are not common. If problems happen during the procedure, doctors can likely fix them right …
Medical tests
… Kidney Biopsy On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … to make sure there is a good sample. The doctor may use ultrasound to guide the needle during the biopsy. The … the biopsy site by making a slight dent in your skin with a pencil or tool. The biopsy may be done on either the right …
Medical tests
… (EEG) On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … see what type of seizures are occurring. EEG is the most useful and important test for checking if someone has … flashing lights may trigger a seizure. Or a seizure may happen if you hyperventilate. If it happens, the technologist …
Medical tests
… (Mg) Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes … of life-threatening heart rhythm problems. Measure levels when magnesium is being given for medical treatment. How To …
Medical tests
… Enzyme Studies On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … also check for an enzyme called creatine kinase (CK). Because some of these proteins and enzymes are also found in other body tissues, their levels in the blood may rise when those other tissues are damaged. Cardiac enzyme studies …
Medical tests
… Hormone Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … thyroid gland makes hormones that regulate the way the body uses energy. The thyroid gland is a butterfly-shaped gland … If you are taking thyroid medicines, tell your doctor when you took your last dose. You may need to stop taking …
Medical tests
… On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … numbers. The first number shows how hard the blood pushes when the heart is pumping. This is the systolic pressure . … (mm Hg). Automatic blood pressure monitors Most people use an automatic monitor to measure their blood pressure at …
Medical tests
… Thoracentesis On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … in the pleural space. But too much fluid can build up because of problems such as infection, heart failure, and lung … anesthetic in your chest wall so you won't feel any pain when the longer needle that withdraws the fluid is inserted. …
