47 results found
Medical tests
… the brain for tumours, an aneurysm , bleeding in the brain, nerve injury, and other problems, such as damage caused by a stroke . MRI can also find problems of the eyes and optic nerves , and the ears and auditory nerves . Chest. MRI … by a stroke . MRI can also find problems of the eyes and optic nerves , and the ears and auditory nerves . Chest. MRI …
Medical tests
… when light rays entering the eye can't focus exactly on the nerve layer ( retina ) at the back of the eye. This causes … for colour blindness in people with suspected retinal or optic nerve disease or who have a family history of colour … for colour blindness in people with suspected retinal or optic nerve disease or who have a family history of colour …
Medical tests
… of the lumbar spine shows normal discs, spinal canal, and nerve roots (see figure 1). Nerve roots normally float in the fluid-filled canal. Figure … shows a small herniated disc pushing into the canal toward nerve roots. Health Tools Health Tools help you make wise …
Medical tests
… sound waves travel through the ear and are turned into nerve impulses. These nerve impulses are sent to the brain, which "hears" them. … in the cochlea. The movement of the hair cells creates nerve impulses. These nerve impulses then travel along the …
Medical tests
… is damage or a problem in how the inner ear, brain, or nerves connecting them work. These problems may cause … by conditions that affect the inner ear, brain, or the nerves connecting them. During ENG, electrodes are attached … to: Find where the problem is in the inner ear, brain, or nerves connecting them that is causing dizziness, vertigo, …
Medical tests
… arthritis. The spinal canal holds the spinal cord, spinal nerve roots, and the subarachnoid space. During the test, a … with a thin needle. The dye moves through the space so the nerve roots and spinal cord can be seen more clearly. … or infection causing problems with the spinal cord or nerve roots. A spinal disc that has ruptured (herniated …
Medical tests
… the bladder is working. Cystometry is done when a muscle or nerve problem may be causing problems with how well the … Urination is a complex process. As the bladder fills, nerves in the bladder wall send a message to the spinal cord … reflex to occur, urination occurs. A problem affecting this nerve pathway or the muscles of the bladder wall can cause …
Medical tests
… see better and are more comfortable for you. Direct fibre-optic (flexible or rigid) laryngoscopy Direct laryngoscopy … see better and are more comfortable for you. Direct fibre-optic (flexible or rigid) laryngoscopy Direct laryngoscopy …
Medical tests
… This makes it easier to insert a thin, flexible fibre-optic endoscope (scope). Shortly before the test begins, an … This makes it easier to insert a thin, flexible fibre-optic endoscope (scope). Shortly before the test begins, an …
Medical tests
… is an important electrolyte needed for proper muscle, nerve, and enzyme function. It also helps the body use … Is Done A test for magnesium is done to: Find a cause for nerve and muscle problems, such as muscle twitches, … is an important electrolyte needed for proper muscle, nerve, and enzyme function. It also helps the body use …
