SpO
2
Safety Information
8-4 SpO
2
Monitoring
Physiological SpO
2
alarm signals will be generated at the Information Center.
The SpO
2
low limit can be set between 50 and 99% inclusive, in 1%
increments. The SpO
2
high alarm limit can be set between 51 and 100%
inclusive, in 1% increments. The maximum delay between the physiological
alarm condition and alarm signal generation at the central station is 10 seconds.
Pulse rate is also derived from the pulsatile SpO
2
measurement, and displayed
results can range from 30 to 300 bpm. There is no alarm function for pulse rate.
The pleth wave is auto-scaled to maximum display size. It decreases only when
the signal quality becomes marginal. Pleth wave size is NOT directly
proportional to the pulse volume.
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