SpO₂
SpO
2
waveformstability
ThestabilityofthedisplayedSpO
2
valuescanalsobeusedasanindicationofsignal
validity.ToaidyouinsuccessfulSpO
2
monitoring,messagesareprovidedintheSpO
2
parameterwindow.
SpO
2
wavelengthsandopticaloutputpower
GETruSignal,Nellcor
™
sensorswithOxiMax
™
technology,andMasimoSETpulse
oximetrytechnologiesarecalibratedtodisplayfunctionalsaturation.
Thisinformationmaybeusefultoclinicianssuchasthoseperformingphotodynamic
therapy:
●NellcorsensorswithOxiMaxtechnologycontainLEDsthatemitredlightata
wavelengthofapproximately660nmandinfraredlightatawavelengthof
approximately900nm.ThetotalopticaloutputpowerofthesensorLEDsisless
than15mW.
●MasimoSETpulseoximetrysensorscontainLEDsthatemitredlightata
wavelengthofapproximately660nmandinfraredlightatawavelengthof
approximately905nmforRDSET,M-LNCS,LNCS,andLNOP,andapproximately
653nmand880nmforRDSET,M-LNCS,LNCS,andLNOPtipclips.Thetotaloptical
outputpoweroftheLEDsislessthanorequalto15mW.
●GETruSignalpulseoximetrysensorscontainLEDsthatemitredlightata
wavelengthofapproximately663nmandinfraredlightatawavelengthof
approximately890or940nm.ThemaximumopticaloutputpowerforeachLEDis
lessthan15mW.
SpO
2
measurementandinterference
ThesetypesofinterferencecaninuencethefunctionofSpO
2
:
●Incorrectsensorapplication,e.g.,sensorplacementonanextremitywithablood
pressurecuff,arterialcatheter,orintravascularline,sensorappliedtootightly.
●Intravasculardyes,suchasidocyanineormethyleneblue.
●Externallyappliedcoloringagentswithopaquematerialsinhighambientlight
conditions,e.g.,conditionscreatedfromoneormoreofthefollowingsources:
■Surgicallights,especiallyxenonlightsources
■Bilirubinlamps
■Fluorescentlights
■Infraredheatinglamps
■Directsunlight
●Excessivepatientactivity
●Venouspulsation
●Dysfunctionalhemoglobin
●Poor(low)peripheralperfusion
●Arterialocclusionproximaltothesensor
●Lossofpulse(cardiacarrest)
●Electromagneticinterference(EMI)
●Ventilator-inducedpressurechange
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CARESCAPE ONE User Manual DRAFT 26 October 2017