The purpose of this study is to determine when brain function stops compared to when the heart stops by monitoring electrical brain activity in patients who are taken off life support and progress to death in the intensive care unit.
Age ≥ 18 years
Plan for the withdrawal of life sustaining measures (WLSM)
Attending physician anticipates patient will die within 24 hours of the withdrawal of life sustaining measures
Patient has an indwelling arterial cannula for monitoring blood pressure
Brain death or plan for Neurologic Determination of Death (NDD)
Injuries that anatomically preclude the use of neurologic monitoring