Bispectral Index
| Status | Exists in IEEE and LOINC |
| Category | Sedation |
| Common Name | Bispectral Index |
| Label | BIS |
| Description | Output from a multivariate discriminate analysis that quantifies the overall bispectral properties (frequency, power, and phase) throughout the entire frequency range. |
| Background | Bispectral Index is used to monitor depth of anesthesia and is a supplement to Guedel’s Classification System for determining depth of anesthesia. The use of the BIS monitor has shown to reduce occurrence of intraoperative awareness during anaesthesia. |
| Devices | BIS Brain Monitoring System, Phillips BIS |
| Units | None |
| Metadata | EEG Electrode Placement, Age, Anesthetic Agents, Body Temperature, Interference from other devices |