75 results found
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
… your body during the test. There is no danger of getting an electrical shock. You do not receive any radiation. Results … your body during the test. There is no danger of getting an electrical shock. You do not receive any radiation. Results …
Medical tests
… found by an electrophoresis test. Electrophoresis uses an electrical current to separate normal and abnormal types of hemoglobin in the blood. Hemoglobin types have different electrical charges and move at different speeds. The amount … found by an electrophoresis test. Electrophoresis uses an electrical current to separate normal and abnormal types of …
Medical tests
Medical tests
… nipple is squeezed. This may be caused by nursing, breast stimulation, hormones, or some other normal cause. One … bloody or milky discharge (galactorrhea) may occur without stimulation ( spontaneous nipple discharge ). A normal … nipple is squeezed. This may be caused by nursing, breast stimulation, hormones, or some other normal cause. One …
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. … they should. Sound is described in terms of frequency and intensity. Your hearing threshold is how loud the sound of a …
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 … if involuntary eye movements have normal direction and intensity. Abnormal Test results are abnormal if there is …
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
… such as encephalitis or meningitis . Check the eyes, the nerves from the eyes to the brain ( optic nerves ), the ears, and the nerves from the ears to the brain ( auditory nerves ). Look …
