2012
Using Time-Frequency Analysis of the Photoplethysmographic Waveform to Detect the Withdrawal of 900 mL of Blood
Scully CG, Selvaraj N, Romberg FW, Wardhan R, Ryan J, Florian JP, Silverman DG, Shelley KH, Chon KH. Using Time-Frequency Analysis of the Photoplethysmographic Waveform to Detect the Withdrawal of 900 mL of Blood. Anesthesia & Analgesia 2012, 115: 74-81. PMID: 22543068, DOI: 10.1213/ane.0b013e318256486c.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureBlood Pressure DeterminationBlood Transfusion, AutologousBlood VolumeBlood Volume DeterminationCluster AnalysisConnecticutElectrocardiographyHeart RateHumansHypovolemiaInfrared RaysMalePhotoplethysmographyPredictive Value of TestsRespiratory MechanicsSensitivity and SpecificitySignal Processing, Computer-AssistedTime FactorsConceptsML of bloodArterial blood pressureBlood lossBlood pressureHeart rateHeart rate frequencyBlood withdrawalML blood lossMean percent decreaseBlood volume lossHeart rate componentSignificant changesPhotoplethysmographic waveformSpontaneous breathingTrauma settingCuff measurementsPPG waveformBlood reinfusionHealthy volunteersStandard electrocardiogramBloodEarly detectionEar PPG signalsBaselineConfidence intervals
2006
What Is the Best Site for Measuring the Effect of Ventilation on the Pulse Oximeter Waveform?
Shelley KH, Jablonka DH, Awad AA, Stout RG, Rezkanna H, Silverman DG. What Is the Best Site for Measuring the Effect of Ventilation on the Pulse Oximeter Waveform? Anesthesia & Analgesia 2006, 103: 372-377. PMID: 16861419, DOI: 10.1213/01.ane.0000222477.67637.17.Peer-Reviewed Original ResearchConceptsPositive pressure ventilationPulse oximeter waveformPressure ventilationPlethysmographic waveformEffect of ventilationBlood lossRenal dialysisSpontaneous breathingPlethysmographic dataSurgical proceduresTidal volumeBlood volumeRespiratory rateVentilationPatientsSignificant correlationRespiratory signalPredominant featureImpact of ventilationCardiac pulseSurgeryFingerBreathingDialysis