26/09/2015 CapnoBase.org:FAQ

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annotation capnogram co2 contribute data download expert matlab rate rater respiratory sendsignal size software tools upload yourself

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WheredidtheCapnoBasesignalscomefrom?Theinvivodatasetwasrecordedatoneofourpartnerhospitals.Weintentionallydonotdisclosetheorigintomaximizeanonymityfortheindividualcases.

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Doyouhaveethicsapproval?DoIneedethicsapproval?

26/09/2015 CapnoBase.org:FAQ

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Everyscientificinterventioninvolvinghumansubjectsneedstoundergoreviewbyaresearchethicsboardtoensurethatethicalstandardsaremetandtherightsofindividualsparticipatingtothestudyaremet.BeforepublishingdataintheCapnoBase,weaskforproofthattherecordingofthisdatawasinaccordancewiththesestandards.Inparticular,weensurethatthedataisfullyanonymized.TheCapnoBaseserverdoesnotcontainanypatientinformation.

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Whydoyouhaveasimulateddataset?Someparticularrespiratoryeventsareveryrareandaredifficulttoobtainintheoperatingroom.Computermodelsallowustosimulatetheseevents.Bysimulatingtheserareevents,weknowexactlywhattheunderlyingstateofthe(virtual)patientis.Thisallowsustolinkparticularpatternsinthesignalwithchangesinthepatientstatethatwouldnotbepossiblewithrealdata.

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WhoiscontributingtoCapnoBase?AllresearchersandstudentsworkingwithrespiratorysignalsareinvitedtocontributetoCapnoBase.FormoreinformationvisitContribute.TofindoutwhohasalreadycollaboratedwithCapnoBase,visitSupporters.

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Whodoestheannotationofthephysiologicaldatainyourdatabase?Weensurethatatleasttwoindependentexpertsannotateandvalidatethedata.Theexpertsarevolunteeranesthesiologistswithmanyyearsofexperience.

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Inwhatformatsarethesignalsavailable?Weprovidethedataascompressedmatlabdatafiles(.mat).ThisisaproprietaryformatandrequirestheMatlabTMsoftwarefromMathworks.ThedataisalsoavailableascommaseparatedASCIIfiles(.csv).Formoredetailsonthedatastructurepleasereviewthehelpsectionondataformats.

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HowcanIkeeptrackofchangesinthedatabaseorwhennewdatasetsbecomeavailable?WepublishupdateswhenchangesonCapnoBasebecomeavailable.Foryourconvenience,thereisaRSSfeedoftheupdates.ThereisalsoaRSSfeedfortrackingcommentsonthecasesifyouareinterestedintoaparticularcase.

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OurresearchgroupwantstousetheCapnoBasedatasets.Dowehavetopayforit?CapnoBasedataandresearchtoolsarefreetouseforstudentsandresearchers.WesimplyaskthatyoucitetheCapnoBasereferenceappropriately.YouneedtoregisteronourwebsiteinordertodownloadtheCapnoBasedatasets.

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Ithinkthereisalabelingerrorinoneofthecases.WhatcanIdo?Labelingphysiologicaldataisverydifficultandtimeconsuming.Sometimesthelabelingofdifficultcasesissubjectiveandtheresultmayvarybetweenexperts.Ifyoudonotagreewithalabel,youcan

26/09/2015 CapnoBase.org:FAQ

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leaveacommentonthedetailspageofthecorrespondingcase.Thisallowsyoutodiscussthecasewithresearchersaroundtheworld.

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SignalEvaluationToolSoftware

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DoIneedtoinstallMatlabtobeabletousetheCapnoBaseSignalEvaluationToolsoftware?No.IfyoudonothaveMatlab,youcaninstalltheMatlabruntimeinstallerthatcanbedownloadedforfreefromourwebsite.Youwillneedadministratorrightsonyourcomputertoinstallthisprogram.

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IsyoursoftwarealsoavailableforMacorLinux?TheCapnoBaseSignalEvaluationTooliscurrentlyonlyavailableforWindows.TheCapnoBasedatasetscanbeusedwithanyprogramthatisabletoread.mator.csvfiles.

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Capnography

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Whatisacapnogram?Atimecapnogramisthemeasurementofcarbondioxide(CO2)concentrationintheexhaledandinhaledgasflowanditsplotovertime.CO2concentrationcanalsobepottedversusflow,ormorecommonly,volumeoftheexhaledgases.Tolearnmoreaboutcapnograms,visitcapnogram.org,watchthiseducationalvideo,orreadsomeofourselectedpublications.

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Website

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HowcanIkeeptrackofchangesinthedatabaseorwhennewdatasetsbecomeavailable?WepublishupdateswhenchangesonCapnoBasebecomeavailable.Foryourconvenience,thereisaRSSfeedoftheupdates.ThereisalsoaRSSfeedfortrackingcommentsonthecasesifyouareinterestedintoaparticularcase.

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HowdoIcontactyou?Youcansendusanemail.ContactDetails.

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26/09/2015 CapnoBase.org:FAQ

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Ourresearchgrouphasahugedatasetofcapnographicrecordings.canweuploadthemtoyourdatabase?Youcan.Usetheuploadformsin'Contribute'

20092010ElectricalandComputerEngineeringinMedicine,Lastpageupdate:04.03.2010