124 results found
Medical tests
… Brain Natriuretic Peptide (BNP) Test On this page: Test … It Feels Risks Results Test Overview A brain natriuretic peptide (BNP) test measures the amount of … . Learn how we develop our content . … Test Overview A brain natriuretic peptide (BNP) test measures the amount of …
Medical tests
… that measures and records the electrical activity of your brain. Special sensors called electrodes are attached to … hooked by wires to a computer. The computer records your brain's electrical activity on the screen. Or it may record … in consciousness . Find out if a person who is in a coma is brain-dead. Study sleep disorders, such as narcolepsy . …
Medical tests
… signals that travel between the retina and the part of the brain involved with vision (occipital cortex). … the whole visual pathway, from the eyes to the parts of the brain involved with vision. Like ERG, this test measures … at something. A VER test can find problems by showing how brain waves respond to certain things you look at during the …
Medical tests
… into nerve impulses. These nerve impulses are sent to the brain, which "hears" them. Sound waves enter the ear through … nerve impulses then travel along the cochlear nerve to the brain and are read as sound. Hearing tests help find what … a problem in the nerves of the ear or, in rare cases, the brain itself prevents proper hearing. How To Prepare Tell …
Medical tests
… only a very low level) is generally found in the blood of healthy men or healthy, non-pregnant women. The level of AFP in the blood … of AFP may also be found in Hodgkin disease , lymphoma , brain tumours, and renal cell cancer. Health Tools Health …
Medical tests
… studies to find damage to the nerves that connect the brain and spinal cord to the rest of the body. (This is … speeds, or conduction velocities. Sensory nerves allow the brain to feel pain, touch, temperature, and vibration. Not … studies to find damage to the nerves that connect the brain and spinal cord to the rest of the body. (This is …
Medical tests
… too little body fat. The test is one of the ways to measure healthy weight. People who are trying to become more fit and … disease. Fitness: Getting and Staying Active Weight Management Current as of: August 25, … disease. Fitness: Getting and Staying Active Weight Management Current as of: August 25, …
Medical tests
… test that uses a special type of camera and a tracer (radioactive substance) to look at organs in the body. The tracer … emission tomography (PET) scan is done to: Study the brain's blood flow and metabolic activity. A PET scan can … are or might be pregnant. You are breastfeeding. The radioactive tracer used in this test can get into your breast …
Medical tests
… be used to find other problems, such as head injuries or brain tumours. It's usually part of a regular eye … be used to find other problems, such as head injuries or brain tumours. It's usually part of a regular eye …
Medical tests
… test records several body functions during sleep, such as brain activity, eye movement, oxygen and carbon dioxide … helps your doctor learn what times during the day you are active and what times you are sleeping. Why It Is Done Sleep … of your chest, belly, arms, and legs while you sleep. How active you are while you're asleep. Your doctor may …