P1 Patient Monitor User’s Manual
10-6
At elevated ambient temperatures be careful with measurement sites that are
not well perfused, because this can cause burns after prolonged application.
Avoid placing the sensor on extremities with an arterial catheter, an NIBP cuff
or an intravascular venous infusion line.
For neonatal patients, make sure that all sensor connectors and adapter cable
connectors are outside the incubator. The humid atmosphere inside can cause
inaccurate measurements.
SpO
2
can be measured at up to 2 locations at the same time.
10.7. Setting SpO
2
10.7.1. Setting SpO
2
Alarm
To change the SpO
2
alarm settings, follow this procedure:
1. Select the SpO
2
parameter area or waveform area to enter the【SpO
2
】menu.
2. Select【Alarm】submenu.
3. If the alarm setting is protected by password, enter the password. For detail,
please refer to 7.7.2 Changing Alarm Setup Protection Mode.
4. Set alarms as needed.
For SpO
2
L, you can set alarm properties for SpO
2
.
10.7.2. Nellcor SpO
2
Alarm Delay (Sat-Seconds)
With traditional alarm management, high and low alarm limits are set for monitoring
SpO
2
. During monitoring, once SpO
2
exceeds alarm limit, an audible alarm immediately
sounds. When the patient SpO
2
fluctuates near an alarm limit, the alarm sounds each time
the limit is violated. Such frequent alarms can be distracting.
If your monitor is configured with a Nellcor SpO
2
module, then you can set
Sat-Seconds (the delay time of SpO
2
alarm) to reduce such alarms. The method of
calculation is as follows: the percentage points of the SpO
2
saturation falling outside the
alarm limit is multiplied by the number of seconds remaining outside the limit. This can
be stated as the equation:
Sat-Seconds = Points×Seconds
Only when the Sat-Seconds limit is reached, the monitor gives a Sat-Seconds alarm.
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