User Manual

Table Of Contents
ExpressionMR400InstructionsforUseMonitoringSPO269
Assessing Suspicious SPO2 Readings
Pulseoximetrymeasurementsarestatisticallydistributed.Withneweralgorithms,suchasFAST
SPO2,thecalculationofSPO2isnotdirectlylinkedtothecorrect detectionofeachpulse.When
thepulserateisveryloworastrongarrhythmiaispresent,theSPO2/plethysmographypulse
ratemaydifferfromtheheartrate
calculatedfromECG.Thisdoesnotindicateaninaccurate
SPO2value.IfyoudoubtthemeasuredSPO2,usetheplethysmographywavetoassessthesignal
quality.
WAR NIN G
Always shield (for example, cover with opaque material) the SPO2 clip or grip from
extraneous incidental light sources, as such light can cause erroneous SPO2 readings or
pulse detection errors.
Item Name Definition
1 SpO2
VS waveform Is the detected SpO2 (pleth) pulsatile waveform (Trace C), automatically adjusted for
proper viewing if above a minimum level
Note
To change the waveform speed, see Sweep Speed on page 3-25.
2 Alarm flag area Displays SPO2 alarm flags when detected; see page 4-31.
3
SPO2
VS box label Indicates the SpO2 vital sign parameter, and accesses the SPO2
menu
4 Heart rate numeric Is the patient’s detected heart rate measurement
5 Unit of measure Indicates that the heart rate numeric is given in BPM (beats per minute)
6 SpO2 upper alarm limit Is the upper limit setting for the SpO2 alarm, and accesses the SPO2
Alarm Limits
menu
7 SpO2 lower alarm limit Is the lower limit setting for the SpO2 alarm, and accesses the SPO2
Alarm Limits
menu
8 SpO2 numeric Is the patient’s detected arterial oxygen saturation measurement, given as a percentage
9 Perfusion index Is the value for the portion of the measured signal caused by the pulsating arterial
blood flow, which can be used as a measurement quality indicator; see page 6-15