Chapter 9. Performance Considerations; Overview; Performance Considerations; Primary Considerations - Nellcor OXIMAX N-600X Series Service Manual

9 Performance Considerations

Overview

WARNING
Pulse oximetry readings and pulse signals can be affected by certain ambient
environmental conditions, OxiMax pulse oximetry sensor application errors, and
certain patient conditions. See the appropriate sections of the manual for specific
safety information.
•
Safety Information, page 9
•
Performance Considerations, page 97
Verify the performance of the OxiMax N-600x™ pulse oximeter by following the
procedures outlined in Modifying and Testing the Oximeter, page 103. A qualified
service technician should perform these procedures prior to initial installation in a
clinical setting.
Performance Considerations

Primary Considerations

Application issues and certain patient conditions can affect the measurements of the
OxiMax N-600x pulse oximeter and cause the loss of the pulse signal.
Oximetry Application Issues
•
Incorrect sensor application
•
Failure to cover the sensor with opaque material in high ambient light conditions
Patient Conditions
•
Dysfunctional hemoglobins
•
Poor peripheral perfusion
•
Excessive patient activity
•
Venous pulsations
•
Intravascular dyes, such as indocyanine green or methylene blue
•
Dark pigment or externally applied coloring agents (nail polish, dye, pigmented cream)
•
Defibrillation
Service Manual
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10030881 Rev. B 12-2008
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