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Changing The Bis Smoothing Rate; Switching Bis And Individual Numerics On And Off; Changing The Scale Of The Eeg Wave; Switching Bis Filters On Or Off - Philips IntelliVue MX800 Instructions For Use Manual

Patient monitoring.
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18 Monitoring BIS
In addition to the symbols, the impedance value in kOhm is also displayed.

Changing the BIS Smoothing Rate

The smoothing rate defines how the monitor averages the BIS value.
To change the smoothing rate, in the
15 sec
30 sec
artifacts.

Switching BIS and Individual Numerics On and Off

To switch the BIS measurement on or off:
In the
To switch individual numerics provided by the BIS Module on or off:
In the

Changing the Scale of the EEG Wave

Changing the scale only changes the visual appearance of the wave. It does not affect the signal
analyzed by the monitor or printed in reports or recordings.
The scale information shown depends on whether gridlines are switched on or off for display. This
setting can only be changed in Configuration Mode.
In the
1
Select the required scale from this list.
2
When gridlines are switched off, you can choose from the available scale values: 50 mV,
100 mV, 200 mV, and 500 mV. Scaling information is displayed as a vertical bar on the EEG
wave together with its height equivalent in mV.
When gridlines are switched on, scales are defined as a range, either ± 25 mV, ± 50 mV, ±
100 mV, or ± 250 mV. Scaling information is shown in the form of gridlines.

Switching BIS Filters On or Off

The low and high pass filters screen out undesirable interference from the raw EEG wave display. The
notch filter removes line frequency interference. Filter settings affect the EEG wave and the SEF and
TP values, but they do not affect the BIS, EMG, SR, and SQI values.
The filter settings are set in Configuration Mode. You can switch all the filters on or off together in
Monitoring Mode.
1
In the
Select
2
260
: this provides increased responsiveness to changes in the patient's state.
: this provides a smoother BIS trend with decreased variability and sensitivity to
Setup BIS
BIS
menu, select
Setup BIS
SQI
menu, select
Setup BIS
Scale
menu, select
Setup BIS
Filters
menu, select
On
Off
or
as required.
Setup BIS
Smoothing Rate
menu, select
On
Off
and then
or
as required.
TP
SEF
SR
EMG
Bursts
,
,
,
,
, or
to call up a list of wave scales.
.
then choose either:
On
Off
and then
or
as required.

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