Pulse co-oximetry (spo, Spco, spmet) general information – ZOLL E Series Monitor Defibrillator Rev H SPO2 User Manual

Page 3

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9650-1211-01 Rev. H

1

PULSE CO-OXIMETRY (SpO

2

, SpCO, SpMet)

General Information

Product Description

The E Series

®

pulse CO-oximeter continuously and noninvasively measures the oxygen saturation of arterial

hemoglobin (SpO

2

), carboxyhemoglobin saturation (SpCO) and methemoglobin saturation (SpMet) at a peripheral

measurement site, (i.e. foot, toe or finger). This monitoring gives information about both the cardiac and respiratory
systems, and provides details of oxygen transportation in the body. It is widely used because it is noninvasive,
continuous, easily applied and painless.

The E Series pulse CO-oximetry option is intended for use only with ZOLL / Masimo LNCS

®

or Rainbow

sensors. The

CO-oximetry sensor contains light-emitting diodes (LEDs) that transmit various visible and infrared light through the
body’s extremities. The transmitted light is then received by a photodetector, which converts it to an electronic signal.
The signal is then sent to the E Series unit for processing.

Oxygen-saturated blood absorbs light differently than unsaturated blood. Thus the amount of visible and infrared light
absorbed by blood flowing through a suitable peripheral area of the body, typically the finger in adults and the foot in
neonates, can be used to calculate the ratio of oxygenated hemoglobin to total hemoglobin in arterial blood. The
monitor displays this ratio as percent SpO

2

, alternating with SpCO and SpMet values. The SpCO and SpMet

measurements rely on multiwavelength calibration equations to estimate the percentages of carboxyhemoglobin and
methemoglobin in arterial blood.

The quality of measurements depends on correct size and application of the sensor, adequate blood flow through the
sensor site, and the sensor’s exposure to ambient light. For correct placement and location of the sensors, refer to
Directions for Use included with all LNCS or Rainbow oximetry sensor packages.

How to Use This Manual

This insert describes how to set up, use and maintain the pulse CO-oximetry option on the E Series unit.

Important safety information relating to the general use of the E Series pulse CO-oximeter appears in “Safety
Considerations” on page 2 of this document. Other important safety information is located in the “Safety
Considerations” section of the LNCS or Rainbow oximetry sensor packages. The E Series Operator’s Guide provides
the information that you need to know for the safe and effective use and care of the E Series products. It is important
that you read and understand all the information contained therein before operating your E Series product.

Please thoroughly read both the safety consideration sections before operating your E Series product.

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