
43
Using the Monitor
• Observe the sensor site to assure adequate distal
circulation. Sensor sites should be checked at least
every 2 hours and rotated at least every 4 hours.
Monitor performance:
• Placing a sensor distal to an arterial line may interfere
with adequate arterial pulsation and compromise the
measurement of SpO
2
.
• Place the sensor so that the LEDs and the photodiode
are opposite each other.
3. Plug the SpO
2
sensor into the SpO
2
sensor extension
cable. Then plug the SpO
2
sensor extension cable into the
SpO
2
sensor connector.
4. Proceed with monitoring. SpO
2
determinations run
continuously and can run simultaneously with other
measurements.
Troubleshooting Masimo SET
®
SpO
2
Parameter
This section discusses potential difficulties and suggestions
for resolving them. If the difficulty persists, contact a qualified
service person or your local representative.
The service manual, which is for use by qualified service
personnel provides additional troubleshooting information.
PROBLEM: The pulse amplitude bar indicates a pulse, but no
oxygen saturation or pulse rate values appear on the screen.
CAUSE:
• Excessive patient motion may be making it impossible
for the SpO2 function to find a pulse pattern.
• The sensor may be damaged.
• The patient’s perfusion may be too low to allow the
SpO2 function to measure saturation and pulse rate.
SOLUTION:
Check the patient.
• If possible, keep the patient still; check whether the
SpO2 sensor is applied securely and properly, and
replace it if necessary; move the sensor to a new site; or
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