Glossary

Lipomyelomeningocele. See chapter in The Guide on this entity.

Level of consciousness. An abbreviation commonly used in describing a person’s degree of awareness or consciousness. Accepted terms in describing are lethargic (a person with mildly depressed level of consciousness who is easily aroused), obtunded (a person with a more depressed level of consciousness who cannot be filly aroused), stuporous (a person in a sleep like state who cannot be aroused but responds to stimulation) and comatose (a person who does not respond in a purposeful manner to any stimulus).

lordosis is the inward curvature of the spine in the lumbar and cervical regions. When excessive, it is referred to as hyperlordosis. In common parlance this condition is also known as sway back, hollow back or saddle back (as in a saddle back horse). The condition is usually due to an excessive forward tilt of the pelvis. Curvature in the opposite direction is referred to as kyphosis.

Lumbar puncture – refers to the percutaneous introduction of a needle into the cerebrospinal fluid space of the lumbar spine. This is typically done either for obtaining a specimen of cerebrospinal fluid for analysis or for the delivery of a therapeutic or diagnostic agent.

Large Vessel Occlusion. Refers to the blockage of a large blood vessel as could be seen in an ischemic stroke.

The initial, horizontal segment of the middle cerebral artery.

A sophisticated imaging technique using magnetic fields instead of x-rays to create the image.

Middle cerebral artery

Mitochondrial encephalomyopathy with lactic acidosis and stroke-like episodes.  A genetic disorder of mitochondria occurring in children and adults and associated with neurologic deficits.

Muscle Evoked Potential. Refers to a recorded nerve or muscle potential that is evoked by stimulation of the central nervous system, typically transcranial cortical stimulation. The D-Wave refers to the recorded upper motor neuron potential and the muscle MEP refers to the potential recorded from a muscle.