Glossary

Inside of, as in intramedullary spinal cord tumor which refers to a tumor inside of the spinal cord.

Using electrodiagostic technology such as evoked potentials to monitor CNS function during surgery.

The use of electrodiagnostic testing technology such as evoked potentials to follow the nervous system’s function.

Within the cerebrospinal fluid.

IntraOperative Monitoring. Also referred to as intraoperative neurophysiological monitoring or intraoperative physiologic monitoring. This is the use of evoked physiological potentials (motor evoked potentials, sensory evoked potentials, brainstem ausitory evoked potentials, electromyography, etc.) to follow the function of the nervous system during surgery.

The International Pediatric Stroke Study.  A registry that as of 2024 has enrolled over 8000 children who have experienced strokes.  Clinicians, scientists and researchers from over 100 institutions in 34 countries particiapte in the registry.

Intellectual Quotient

Intrathecal – within the cerebrospinal fluid.

Intravenous

Intraventricular hemorrhage. Typically used when speaking of bleeding within the brain of an infant born prematurely. Specifically, it is bleeding from the subependymal matrix into the ventricles. The smooth muscles of the brain’s arterioles do not develop until late in gestation, resulting in this vulnerability. This condition can cause hydrocephalus and it can be associated with injury to the brain’s parenchyma. In other cases there can be no associated symptoms or sequelae. This injury occurs early in the third trimester and can be associated with cerebral palsy.