Clinical Research Directory

Inclusion Criteria: 1. Patient is admitted to the Barrow Neurological Institute's neuro ICU 2. Patient is in a comatose state, which is defined as a patient who is both non-responsive and has a GCS eye or motor response sub-score that requires noxious stimulation 3. Age greater than or equal to 18 years 4. Patient has an available surrogate decision maker with the capacity to consent for participation in a research study Exclusion Criteria: 1. A neurologic decline immediately prior to study participation that requires urgent or emergent workup or management\* 2. Patients in whom the frequency or extent of neurologic assessments is being limited due to concern that noxious stimulation may provoke intracranial hypertension, cardiorespiratory instability, or other adverse events 3. Patients with an implantable or external pacemaker that is currently in use 4. Ongoing refractory cardiorespiratory instability 5. Pregnant females 6. Prisoners