25-8 DELTA/DELTA XL/KAPPA VF8
25 B
ISPECTRAL INDEX (BISX) MONITORING
Checking the Impedance
Impedance checking is an important part of BIS monitoring because it tests the quality
of the BIS electrode connections. Make sure that the BIS sensor passes the impedance
check before starting BIS monitoring to avoid misleading BIS data. To optimize
performance, check the individual electrode status (provides a smoother trend with
decreased variability and sensitivity to artifact in addition to the overall status.
Individual electrode impedance value may display " ***", even though the overall
impedance passes).
To check the BIS impedance
Click on the BIS parameter box (if displayed);
or
1. Press the
Menu fixed key.
2. Click on
Patient Setup.
3. Click on
Parameters.
4. Click on BIS.
5. Click on Check impedance
The BIS impedance menu, depicted below,
classifies the status of each electrode.
Pass - Indicates that the impedance check
has passed based on the combined
electrode impedance values. You can exit
the impedance menu and resume normal
monitoring.
Fail - Indicates that the impedance check
has failed. In this case, do the following:
— Press the electrodes firmly to in place to provide good contact.
BISx Alarms Accesses the Alarm Limits table.
NOTE: BISx limit alarm is medium (see
page 5-3).
• BIS alarms; ON or OFF (default
OFF)
• BIS high limit; 5 to 100 (default
100).
• BIS low limit; 0 to 95 (default 20).
• BIS archive; OFF, Record, Store,
Str/Rec (default OFF)
Menu Item Description Available Settings
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