GE CARESCAPE ONE - NIBP Calibration

Non-invasivebloodpressure
Ifeitheroftheabovecriteriaisnotmet,thecuffpressureismaintaineduntiltwo
consecutivepulsationsaredetectedthatmeetthecriteria.Eventually,ifthecuffis
maintainedatonepressurestepforlongerthanoneminuteorthedetermination
timeexceeds85seconds(infantcuffs)ortwominutes(adultandchildcuffs),the
CARESCAPEONEwilltimeoutanddisplayanerror.
●x=Cuffpulsationwaveform
●y=Cuffpressure
1.Cuffdeation
2.Systolicpressure(ratioofmaximumamplitude)
3.Meanarterialpressure(maximumpulsationamplitude)
4.Diastolicpressure(ratioofmaximumamplitude)
5.Cuffpulsations(eachpulsationrepresentsoneheartbeat)
6.Amplitude(changesbasedoncuffpressure)
7.Resultingwaveform
Systolicanddiastolicdeterminationsarebasedonamathematicalcalculationwithin
thealgorithm.Thedeationmodeisheartratedependent,itistypicallylongerwith
heartratesthatareslowand/orirregular.
Thispatentedprocessofndingtwomatchedpulsationsofrelativelyequalamplitude
andfrequencyateachsteprejectsartifactduetopatientmovementorother
deviationsfromidealconditions(e.g.,cuffdisturbances)andgreatlyenhancesthe
overallaccuracyofthemeasurement.
NOTE
NIBPvaluesarebasedontheoscillometricmethodof
non-invasivebloodpressuremeasurementtakenwitha
cuffonthearmofadultandchildpatients,andacuffon
thecalfofinfants.Thevaluescorrespondtocomparisons
withintra-arterialvalueswithinIECparticularstandardsfor
accuracy(ameandifferenceof±5mmHg,andastandard
deviationof<8mmHg).
NIBPcalibration
TheNIBPcalibrationprocedureisexplainedintheservicemanuals.Thecalibration
procedureispasswordprotected.
2094480-001CARESCAPEONE163
CARESCAPE ONE User Manual DRAFT 26 October 2017