Welch Allyn 1500 Directions For Use Manual page 75

Directions for use
SpO messages
2
Message
SpO
SpO
placement
SpO
Weak Signal
SpO
SpO
SpO
SpO
SpO2 low signal IQ
PR < [lower limit]
PR > [upper limit]
1.
2.
Possible cause
– check sensor Defective SpO
2
Incorrect settings in the monitor Check the monitor settings.
– check sensor Poor sensor contact or the
2
sensor has fallen off
Sensor is disturbed by ambient
light
Sensor defective (red light on
the sensor is not lit)
1
Low Perfusion Sensor not properly applied
2
Fingernail varnish on the finger
Thick skin
Sensor failed
see SpO
2
unplugged SpO not connected to the
2 2
monitor
artifact Patient has moved
2
Hemodynamic interference
Too thin skin
< [lower limit] SpO too low
2 2
> [upper limit] SpO too high
2 2
2
Poor quality signal
Pulse rate too low
Pulse rate too high
When the monitor has a Masimo module, the message SpO2 low perfusion only occurs when the perfusion index
feature is enabled.
The SpO2 low signal IQ message is only given when the monitor has a Masimo module and only occurs if Signal IQ
waveform feature is enabled.
Suggested action
sensor Replace the sensor.
2
Check the contact between the sensor and
the patient.
Cover the sensor.
Replace the sensor.
Check the sensor and reapply.
Remove fingernail varnish.
Change finger.
Change sensor.
Low Perfusion above see SpO
Connect sensor.
Calm the patient.
Apply sensor to another extremity.
Apply sensor to a larger finger.
Check the patient and alarm limits.
Check the patient and alarm limits.
Check the sensor and reapply. Move sensor
to obtain a better quality signal.
Check the patient and alarm limits.
Check the patient and alarm limits.
Monitoring and Measurements
Low Perfusion above.
2
71