329 results found
Medical tests
… rhythm problems you have and where those problems are. Sometimes the problem can be fixed at the same time. A procedure … to destroy (ablate) small areas of your heart that are causing the problem. Why It Is Done An electrophysiology study … for the procedure Follow the instructions exactly about when to stop eating and drinking. This may be a few hours …
Medical tests
… MRA can find problems with the blood vessels that may be causing reduced blood flow. With MRA, both the blood flow and … may be tired or sore from lying in one position for a long time. If a contrast material is used, you may feel some coolness when it is put into your IV. In rare cases, you may feel: …
Medical tests
… by the adrenal glands ( Cushing's syndrome ). Normally, when the pituitary gland makes less adrenocorticotropic … stay very high in people who have Cushing's syndrome. Sometimes other conditions can keep cortisol levels high during … in your blood and urine will be measured. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … acid (gastric acid) that helps break down and digest food. When enough gastric acid has been produced by the stomach, … to help move food through the digestive tract . Sometimes a test for gastrin is done after eating a high-protein …
Medical tests
… in your arm. A series of X-ray pictures is then taken at timed intervals. IVP is commonly done to identify diseases … need to hold are uncomfortable. You will feel a brief sting when the needle is inserted into the vein in your arm. When the contrast material is injected, you may feel slight …
Medical tests
… the spinal cord. If the pressure is high, it may be causing certain symptoms. A spinal tap may also be done to: … skin. Then a long, thin needle is put in the spinal canal. When the needle is in place, the solid central core of the … for 1 to 4 hours. Since your brain makes new CSF all the time and replaces it 2 or 3 times a day, the small amount of …
Medical tests
… and brain help you keep your balance and position (such as when you change from lying down to standing). ENG is done to … the inner ear, brain, or nerves connecting them that is causing dizziness, vertigo, or a loss of balance. Find any … that help your vertigo. Check with your doctor about stopping any other medicines you are taking. Sedatives and …
Medical tests
… accumulates. This method of finding bleeding is sometimes more effective than angiography. The … bleeding scan may find slow bleeding that can't be seen using angiography. The technetium-labelled red blood cell … not stop. (The bleeding stops on its own in most people.) When surgery is needed to stop the bleeding. It is important …
Medical tests
… Levels of progesterone in a pregnant woman are about 10 times higher than they are in a woman who is not pregnant. … be taken each day for several days in a row. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… are done to diagnose skin cancer , which may be suspected when an abnormal area of skin has changed colour , shape , … be needed. How It Feels You will feel brief stinging pain when the local anesthetic is injected. You should not feel any pain when the skin sample is removed. Risks Although unlikely, …
