CDI

Common Monitoring Modalities We Utilize

Glide over the modalities that are in bold for a description or visit our key terms page.

EEG - Electroencephalography Recording of the brain's spontaneous electrical activity using electrodes placed on the scalp. EEG is used to evaluate the integrity of brain function, as well as diagnosing brain abnormalities such as epilepsy, comas or strokes.
- Scalp
- Corticography
Single unit recording The use of an electrode to record the electrophysiological activity (action potential) of a single neuron.
SEPs - Somatosensory evoked potentials Recorded from the central nervous system following stimulation of a sensory organ (the limbs, visual, or auditory) as a way to evaluate the functional integrity of sensory pathways.
- Upper extremities: median and ulnar nerve
  - Brainstem
  - Cortical
- Lower extremities: common peroneal and posterior tibial nerve
- Pelvic: Pudendal Nerve
Continuous and Evoked EMGs - Electromyography Continuous - Recording of muscles' spontaneous activity. During surgery, EMG helps evaluate nerve/nerve root integrity. If nerve(s) are being irritated by the surgical procedure, EMG activity will be seen in the corresponding muscle(s).
Evoked (CMP) - Recorded from the muscles following direct stimulation of the corresponding nerves and nerve roots. CDI uses CMP to assist surgeons in identifying nerves in and around the area they are working on and to confirm proper screw placement in spinal fusions.
- Upper/lower extremity
- Cranial nerves (CNs III, IV, V, VI, VII, IX, X, XI, and XII)