906-0731-01-05 Rev. C ZOLL Ventilator Operator’s Guide 4-13
SpO2 -- Using the Pulse Oximeter
The primary use of the device is as a ventilator -- the pulse oximeter operates only when the
device is providing ventilation.
The following conditions can affect the pulse oximeter reading:
• The sensor is too tight.
• There is excessive illumination from light sources such as a surgical lamp, a bilirubin lamp,
or sunlight.
• A blood pressure cuff is inflated on the same extremity as the one with a SpO2 sensor
attached.
• The patient has hypotension, severe vascoconstriction, severe anemia, or hypothermia.
• There is an arterial occlusion proximal to the sensor.
• The patient is in cardiac arrest or is in shock.
The SpO
2
display is active only when the pulse oximeter is connected. The pulse oximeter is in
standby (and displays stby in the parameter window) when
• No SpO
2
sensor is connected
• The sensor is off the patient during start up
• You place the pulse oximeter in standby
Note: You can place the pulse oximeter in standby only when the probe is disconnected from
the patient. A valid signal automatically brings the pulse oximeter out of standby.
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