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About: Photoplethysmogram     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatMeasuringInstrumentsyago:WikicatMedicalTestsyago:WikicatVascularProceduresyago:Abstraction100002137yago:Act100030358yago:Activity100407535yago:Artifact100021939yago:Cognition100023271yago:Device103183080yago:Event100029378yago:Experiment105798043yago:HigherCognitiveProcess105770664yago:Inquiry105797597yago:Instrument103574816yago:Instrumentality103575240yago:MeasuringInstrument103733925yago:Object100002684yago:PhysicalEntity100001930yago:ProblemSolving105796750yago:Procedure101023820yago:Process105701363yago:PsychologicalFeature100023100yago:YagoPermanentlyLocatedEntityyago:Thinking105770926yago:Trial105799212yago:Whole100003553 New Facet based on Instances of this Class

A photoplethysmogram (PPG) is an optically obtained plethysmogram that can be used to detect blood volume changes in the microvascular bed of tissue. A PPG is often obtained by using a pulse oximeter which illuminates the skin and measures changes in light absorption. A conventional pulse oximeter monitors the perfusion of blood to the dermis and subcutaneous tissue of the skin.