329 results found
Medical tests
… is an eye examination to look at the front part of your eye (anterior chamber) between the cornea and the iris … to see whether the area where fluid drains out of your eye (called the drainage angle ) is open or closed. It … often done during a regular eye examination, depending on your age and whether you are at high risk for glaucoma . …
Medical tests
… are two types of ophthalmoscopy. Direct ophthalmoscopy. Your doctor uses a tool that is about the size of a small … can magnify up to about 15 times. Indirect ophthalmoscopy. Your doctor uses a small hand-held lens and either a slit … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Tell your doctor if …
Medical tests
… fainted or who often feel light-headed. The results help your doctor know the cause of your fainting or feeling light-headed. The test uses a … that slowly tilts you to an upright position. It checks how your body responds when you change positions. Why It Is Done …
Medical tests
… Test Overview Neuropsychological testing can help your doctor find out how a problem with your brain is affecting your ability to reason, concentrate, solve problems, or …
Medical tests
… view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These … lamp examination. Eyedrops may be used to widen (dilate) your pupils and to numb the surface of your eyes. Before the test, tell your doctor if you have …
Medical tests
… test uses ultrasound to look at the inside of your uterus. A salt (saline) solution is put in the uterus … or problems getting pregnant. If a contrast fluid is used, your doctor will look at the fallopian tubes too. This is … the fallopian tubes for blockage. How To Prepare Schedule your test for when you won't be having your period. Your …
Medical tests
… how well the eyes, inner ears , and brain help you keep your balance and position (such as when you change from … when the head is moved. But nystagmus without moving your head or nystagmus that does not go away may be caused … of recordings is done. Baseline recordings are taken with your head at rest. More recordings are done: While you move …
Medical tests
… to measure the thickness of fat at one or more places on your body. It is most accurate when a well-trained person … impedance. A small electrical current is passed through your body to measure your body's electrical resistance. This resistance is used …
Medical tests
… Test Overview A breath alcohol test is an estimate of your blood alcohol concentration (BAC). The test measures … in the air that you breathe out (exhale). You can measure your own breath alcohol level with a simple hand-held … directions, it can provide an accurate estimate of your blood alcohol level. There are different types of …
Medical tests
… more study or printed out as photographs. Why It Is Done Your doctor may want you to have a coronary calcium scan if … clear about whether you should start treatment to reduce your risk of coronary artery disease. footnote 1 A coronary … or drink anything that has caffeine for a few hours before your test. Tell your doctor if you get nervous in tight …
