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Pulse Oximetry (SpO2)
Propaq Encore Reference Guide 73 Welch Allyn
Perform SpO
2
“Spot-Check” Monitoring
The SpO
2
Standby Mode allows you to remove the SpO
2
sensor from a patient without
having to disable all alarms or disconnect the SpO
2
sensor cable from the Propaq monitor.
You can therefore perform intermittent or “spot-check” SpO
2
monitoring.
1. While monitoring SpO
2
, remove the SpO
2
sensor from the patient, but leave it
connected to the monitor. When the monitor detects the lack of a pulsatile waveform,
it sounds a patient alarm and displays this menu:
2. Press
STANDBY to place SpO
2
into the Standby Mode.
3. To resume SpO
2
monitoring, reapply the SpO
2
sensor to a patient.
SpO
2
Messages
The following status message can appear in the equipment alert window or the SpO
2
numeric display area:
NO SENSOR DETECTED appears in the equipment alert window and indicates a probe
has been disconnected from the monitor after being plugged in for more than a few
seconds.
SEARCH: during the search time, the SpO2 channel tries to detect blood pulsing through
the measurement site. Once the measurement has been established, the oxygen saturation
value is displayed in the numeric window.
The monitor suspends the SpO
2
alarm tone indefinitely and displays STANDBY
in place of SpO
2
numerics. SpO
2
remains in the Standby Mode until the SpO
2
sensor is reapplied to a patient. Other vital sign monitoring is not restricted. By
contrast, if you press
SUSPEND instead of STANDBY, the monitor temporarily
suspends all alarm tones; however, the alarm tone resumes after 90 seconds
if the SpO
2
sensor is still disconnected from the patient.
The monitor exits the Standby Mode and resumes SpO
2
monitoring
The message STBY on the SpO
2
trend display and trend printouts indicates
the monitor was in the SpO
2
Standby Mode.
STANDBY SUSPEND