GE CARESCAPE - Selecting source data for oxygenation calculations; Selecting source data for ventilation calculations; Estimated values in oxygenation calculations; Estimated values in hemodynamic calculations

Calculations
dataforhemodynamiccalculations.However,C.O.orCCOand/ortheirindexedvalues
thatareolderthan15minutesarenotusedassourcedata.Otherinputvalues(for
example,HR,PAMean,CVP,ArtMean)usedinthecalculationarechosenfromthe
sametimethesampleisdrawnorthecardiacoutputismeasured.Foroxygenation
calculationsthemonitoruseslaboratorydataassourcedata.
Inoxygenationcalculations,youcanselectanyavailablearteriallaboratorydata
samplesoranyC.O.measurement(ifnolaboratorydatabutmultipleC.O.valuesare
available)fromthecurrentpatientcasetobeusedassourcedata.
Inventilationcalculations,youcanselectanyarteriallaboratorydatasamplesfrom
thecurrentpatientcasetobeusedassourcedata.
Selectingsourcedataforoxygenationcalculations
1.SelectData&Pages.
2.SelectCalculations.
3.SelecttheOxytab.
4.SelectEditInput.
5.SelectthedesiredsamplewithcorrespondingtimeanddatefromtheSelectLab
Datalist.
Selectingsourcedataforventilationcalculations
B850andB650only.
1.SelectData&Pages.
2.SelectCalculations.
3.SelecttheVenttab.
4.SelectEditInput.
5.SelectthedesiredsamplewithcorrespondingtimeanddatefromtheSelectLab
Datalist.
Estimatedvaluesinoxygenationcalculations
Innormalcircumstances,about3%ofthetotalarterialoxygencontentisdissolvedin
thebloodand97%ishemoglobinbound.WhennoSaO
2
laboratoryresultissaved
intheLaboratoryDatamenu,themeasuredSpO
2
valueisusedtoestimatethe
clinicallyrelevantSaO
2
value.Also,themeasuredEtCO
2
valueisusedtoestimatethe
PaCO
2
value.
ThemonitormarkstheestimatedvaluesbyaddingtheletteretotheSaO
2
andPaCO
2
valuesintheCalculations>Oxy>TrendandCalculations>Oxy>View.
Estimatedvaluesinhemodynamiccalculations
YoucanselectdifferentsourcesforthePCWP.IfyouselectLAPmeanorPA,thePCWP
valueinHemo>Trendwillbemarkedasanestimatedvaluewiththelettere.Instead,
theHemo>EditInputandHemo>Viewshowtheactualselectedlabel.
406CARESCAPEModularMonitors2062971-001