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10Monitoring SpO2
Philips pulse oximetry uses a motion-tolerant signal processing algorithm, based on Fourier artifact
suppression technology (FAST). It provides four measurements:
• Oxygen saturation of arterial blood (SpO
2
) - percentage of oxygenated hemoglobin in relation to
the sum of oxyhemoglobin and deoxyhemoglobin (functional arterial oxygen saturation).
• Pleth waveform - visual indication of patient's pulse.
• Pulse rate (derived from pleth wave) - detected pulsations per minute.
• Perfusion indicator - numerical value for the pulsatile portion of the measured signal caused by
arterial pulsation.
The monitor is also compatible with an SpO
2
technology from another manufacturer: Nellcor™
OxiMax™. Where use of this technology results in different behavior or has different requirements,
the differences are described in these Instructions for Use.
WARNING
A pulse oximeter should be considered an early warning device. As a trend towards patient
deoxygenation is indicated, blood samples should be analyzed by a laboratory CO-oximeter to
completely understand the patient's condition.
SpO2 Sensors
Familiarize yourself with the instructions for use supplied with your sensor before using it. In
particular, check that the sensor being used is appropriate for your patient category and application
site.
CAUTION
Do not use OxiCliq disposable sensors in a high humidity environment, such as in neonatal
incubators or in the presence of fluids, which may contaminate sensor and electrical connections
causing unreliable or intermittent measurements. Do not use disposable sensors when there is a
known allergic reaction to the adhesive.
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