329 results found
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see … you wear them). Several types of visual acuity tests may be used. Refraction test. This test shows your level of …
Medical tests
… (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. … the blood level of BNP. Why It Is Done The BNP test is used to: Check to see if you have heart failure. A doctor …
Medical tests
… called German measles or 3-day measles) usually does not cause long-term problems. But someone infected with the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… a lower gastrointestinal (GI) examination. The test is used to help find diseases and other problems that affect … heart, or liver disease and have to limit fluids, talk with your doctor before you increase the amount of fluids you drink. You will take a laxative. Your doctor will give you this to empty your intestines. You …
Medical tests
… (also called an echo) is a type of ultrasound test that uses high-pitched sound waves that are sent through a device … the sound waves as they bounce off the different parts of your heart. These echoes are turned into moving pictures of your heart that can be seen on a video screen. …
Medical tests
… Information Test Overview A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During … the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT … dye called contrast material may be put in a vein ( IV ) in your arm or into the spinal canal. The dye makes structures …
Medical tests
… Test Overview The blood supply to your hand normally comes from two arteries: the radial … the ulnar artery. A procedure called the Allen test can be used to find out if blood flow to your hand is normal. This test checks to see if both of …
Medical tests
… body. No instruments are inserted in the body. Doctors can use MRC to find gallstones before surgery to remove the … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the …
Medical tests
… of ferritin in the blood shows how much iron is stored in your body. Why It Is Done A ferritin blood test is done to: Find the cause of anemia , especially iron deficiency anemia. See if … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Overview A testicular ultrasound (sonogram) is a test that uses reflected sound waves to show a picture of the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A testicular … or hospital. Before the test, you'll need to take off all your clothes from the waist down. You will put on a gown. …
