
32
The displayed
pulse rate does not
correlate to the
pulse rate
displayed on the
ECG monitor.
Excessive motion at the
sensor site may be
prohibiting the device
from detecting a
consistent pulse signal.
Eliminate or reduce
the cause of the
motion or
reposition
the sensor to a new
sensor site.
The patient may have an
arrhythmia resulting in
some heart beats that do
not detect a pulse quality
signal at the sensor site.
Assess the patient.
A non-compatible sensor
is being used.
Replace the sensor
with a Respironics-
compatible sensor.
The ECG monitor may
not be functioning
properly.
Assess the patient.
An erratic Pulse
Rate or an amber
Pulse Quality
display during the
use with
electrosurgical unit
(ESU).
The ESU may be
interfering with the pulse
oximeter performance.
Assess the patient.
Move the device,
cables, and sensors as
far away from the ESU
as possible.
The Pulse Quality
display is blinking
amber with each
pulse.
The quality of the pulse
signal at the sensor site
is inadequate.
Assess the patient.
Reposition sensor or
select an alternate
sensor site.
Numeric display
segments are
missing.
Defective LEDs.
Discontinue use of the
device.
Degradation of
device
performance.
Electromagnetic
interference (EMI).
Remove the device
from the EMI
environment.
Problem Possible Cause Possible Solution
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