GE CARESCAPE ONE - Page 266

Alarmspecications
AlarmLimitrangeLimitincrementAlarmdelay
PR(SpO2)high30to240bpm1bpm●GETruSignal:14s(average)(12to16s
range)
●Masimo:9s
●Nellcor:9s
PR(SpO2)low30to240bpm1bpm●GETruSignal:17s(average)(10to20s
range)
●Masimo:15s(average)(14to17srange)
●Nellcor:14s(average)(9to17srange)
SpO2high
30to100%1%
●GETruSignal:10s
●Masimo:15s(average)(9to17srange)
●Nellcor:12s(average)(11to13srange)
SpO2low
30to100%1%
●GETruSignal:10s
●Masimo:17s(average)(9to20srange)
●Nellcor:13s(average)(12to15srange)
Pulseoximetrysaturationandpulserateaveragingtime
GETruSignalTheTruSignalalgorithmprovidesaveragingtimeoptionsof5and12seconds.
TheoverallalarmgenerationdelayofSpO
2
istypicallylessthan28secondsfrom
theactualSpO
2
valueinthepatient.ThisdelayisduetotheSpO
2
averaging,
signalprocessing,anddatatransmissiondelays.Thedelayconsistsofthealarm
conditionandalarmgenerationdelay,beingtypically<10secondsand<18
secondsrespectively.Forpulseratethealamrgenerationdelayistypicallyless
than11seconds,inwhichthealarmsignaldelayislessthanasecond.TheSpO
2
andpulseratedataisupdatedeverysecond.
Masimo
TheMasimoalgorithmprovidesaveragingtimeoptionsof2,4,8,10,12,14,and16
seconds.Whenusingthedefaultaveragingtime,theoverallalarmgenerationdelay
ofSpO
2
istypicallylessthan28secondsfromtheactualSpO
2
valueinthepatient.
ThisdelayisduetotheSpO
2
averaging,signalprocessing,anddatatransmission
delays.Thedelayconsistsofthealarmconditionandalarmgenerationdelay,being
typically<10secondsand<18secondsrespectively.Forpulserate,thealarm
generationdelayistypicallylessthan11seconds,inwhichthealarmsignaldelayis
lessthanasecond.TheSpO
2
andpulseratedataisupdatedeverysecond.
NellcorTheNellcorOxiMaxalgorithmautomaticallyextendstheamountofdatarequired
formeasuringSpO
2
andpulseratedependingonthemeasurementconditions.
Therearevariousmatriceswithinthesaturationpulseratedetectionalgorithm.
Someoftheseareusedtoassesstheseverityofconditionspresentedtothe
measuringofSpO
2
andpulserateonapatient.Theseindividualmatricesor
combinationsofthesematricesareusedtodeterminethequalityofthereceived
SpO
2
signal.Theadvancedsignalprocessinginthealgorithmsautomatically
extendstheamountofdatarequiredformeasuringSpO
2
andpulseratedepending
onthemeasuringconditions.Duringnormalmeasurementconditions,the
averagingtimeisapproximately3seconds.Theoverallalarmgenerationdelayof
SpO
2
istypicallylessthan28secondsfromtheactualSpO
2
valueinthepatient.
ThisdelayisduetotheSpO
2
averaging,signalprocessing,anddatatransmission
delays.Thedelayconsistsofthealarmconditionandalarmgenerationdelay,being
typically<10secondsand<18secondsrespectively.Forpulserate,thealarm
generationdelayistypicallylessthan11seconds,inwhichthealarmsignaldelayis
lessthanasecond.TheSpO
2
andpulseratedataisupdatedeverysecond.
266CARESCAPEONE2094480-001
CARESCAPE ONE User Manual DRAFT 26 October 2017