Percent Suppression
| Status | No Existing Standard |
| Category | Brain Electrical Activity |
| Common Name | Suppression Ratio |
| Label | SR |
| Description | Percentage of epochs in the past 63 seconds in which the EEG signal is considered suppressed. |
| Background | This measurement is used to indicate the percentage of isoelectric (flatline) EEG. This value has an indirect relationship to BIS values, as SR increases, the BIS value becomes less reliable. |
| Devices | BIS Brain Monitoring System, Phillips BIS |
| Units | % |
| Metadata | Age, Muscle Activity, Sedation Level |