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Philips IntelliVue MX800 IntelliVue MP2 Configuration Manual Page 51

Patient monitor..
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Measurement Settings
Average The SpO
Average lets you adjust the averaging time between 5, 10, and 20 seconds. It represents the
approximate time period used for the calculation. The exact averaging algorithm depends on the SpO
technology (option) used and on the signal conditions. The longer the averaging time, the longer the time
needed until the SpO
an extremely fast measurement is required or few artifacts are expected. Use slow averaging where you
expect the number of artifacts to be relatively high.
Average in Mon. This setting determines whether the setting Average can be changed in
Monitoring mode. Set Average in Mon. to Yes to enable the user to change the averaging time in
Monitoring mode.
SmartAlarmDelay Set SmartAlarmDelay to On if you want the SpO
using an intelligent algorithm. This setting can be used to suppress alarms which occur because a limit is
exceeded for a short time or by a small amount.
To accommodate different levels of patient stability, there are three different settings: Short, Medium
and Long. Select the appropriate setting for the treatment area where the monitor is to be used. The
Short setting ensures a quick response to changing conditions for less stable patients. The delay is only
extended for very small deviations from the alarm limit (up to 2%). The Medium and Long settings
extend the delay further to avoid unnecessary alarms for more stable patients. With the Medium setting
the delay is extended for deviations up to 4%, with the Long setting for deviations up to 9%.
All settings use the default delay of 10 seconds when the delay is not extended. This means that irrespective
of which setting is made, at the latest when a deviation from the alarm limit of 9% is exceeded, the delay
will revert to the default 10 seconds delay. You can see the exact delays applied in the following table:
Deviation from violated
alarm limit
1%
2%
3%
4%
5%
6%
7%
8%
9%
>9%
High/Low/Desat Alarm Delay The alarm delay defines the amount of time that the averaged
SpO
value needs to be above or below the corresponding alarm limits before an alarm is activated. For the
2
high and low alarms, these settings offer the Short, Medium and Long choices when the
SmartAlarmDelay setting is set to On and the standard time choices when the SmartAlarmDelay
setting is set to Off.
numeric represents an average value calculated from several SpO
2
value reflects the physiological event. Fast averaging is useful for situations where
2
Resulting alarm delay
Short
25 sec (maximum delay)
12 sec
10 sec
4 Configuration Settings Appendix
2
Medium
50 sec (maximum delay)
25 sec
16 sec
12 sec
10 sec
values.
2
2
limit alarms to be delayed
Long
100 sec (maximum delay)
50 sec
33 sec
25 sec
20 sec
16 sec
14 sec
12 sec
11 sec
10 sec
51

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