Chapter 10 Pulse CO-Oximetry (SpO2)
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Connecting the SpO
2
Sensor
To connect the sensor to the X Series unit:
1. When using a sensor extension cable, inspect the cable before use. Replace the cable if it
shows any signs of wear, breakage, or fraying. Plug the sensor extension cable into the SpO
2
receptacle on the side of the X Series unit:
Figure 10-3 Connecting the SpO
2
Sensor to the X Series Unit
Displaying Measurements
When the connection is made between the sensor and the unit, the message, INITIALIZING,
appears in the display. After a brief delay, the unit displays the measurement. If SpCO and
SpMet, or SpHb, SpOC, PVI and PI are installed and monitoring is on for these parameters, the
measurements will alternate every two seconds underneath the display.
Note: SpHb and SpOC measurements require an SpHb sensor. The monitor does not display
SpCO values when you use a SpHb sensor and does not display SpHb values when you
use a SpCO sensor.
If the message, SENSOR FAILURE, appears, the sensor is either incompatible with the X Series
unit, or it is not working, and you will need to replace the sensor.
A blip bar appears on the right side of the SpO
2
numeric display window. The blip bar indicates
the pulse derived from the plethysmograph normalized waveform.
Blip bar
Blip bar
Alternating
Measurement
Alternating
Measurement
SpO
2
Measurement
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