25-6 DELTA/DELTA XL/KAPPA VF8
25 B
ISPECTRAL INDEX (BISX) MONITORING
Quick Reference Table – BIS Setup menu
Menu Item Description Available Settings
Show all
parameters
Opens a separate menu with all BISx
parameters displayed.
BIS: Bispectral Index
(range = 0 - 100)
continuous processed EEG
parameter that correlates to
a patient’s level of
consciousness, where
100=awake and 0=flatline
EEG.
SQI: Signal Quality Index
(Range = 0 - 100 %)
a measure of the signal
quality for the EEG channel
source, which is calculated
based on impedance data,
artifact, and other variables.
It is displayed in the form of
a simple bar graph, located
at the bottom of the
Parameter box, above EMG.
EMG: Electromyograph Indicator
(Range = 0 - 100 dB)
The power (in decibels) in
the frequency range 70-
110Hz is labeled “EMG”.
This frequency range
contains power from muscle
activity as well as power
from other high-frequency
artifacts. It is displayed as a
simple bar graph, located at
the bottom of the parameter
box, below SQI.
BSR: Suppression ratio
(range = 0 - 100 %)
A calculated parameter to
give the user an indication
when an isoelectric (flatline)
condition may exist.
Suppression ratio is the
percentage of time over the
last 63-second period that
the signal is considered to
be in a suppressed state.
For example BSR=11
(isoelectric over 11% of the
last 63-second review, or 7
seconds).
SEF: Spectral Edge Frequency
(range = 0.5 - 30.00 Hz)
The frequency at which 95%
of the total power lies below
it and 5 % lies above it.
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