Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Extracting arterial flow waveforms from pulse oximeter waveforms apparatus.

L B Cook1

  • 1Consultant Anaesthetist, Department of Anaesthesia, Royal Oldham Hospital, Rochdale Road, Oldham OL1 2JH, UK.

Anaesthesia
|June 20, 2001
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Interobserver agreement of an electronic von Frey device for measuring mechanical sensory thresholds in normal dogs.

Veterinary journal (London, England : 1997)·2019
Same author

Arterial flow waveforms from pulse oximetry compared with measured Doppler flow waveforms apparatus.

Anaesthesia·2001
Same author

Patient-controlled sedation using propofol: randomized, double-blind dose refinement.

European journal of anaesthesiology·1999
Same author

Rebreathing in the Mapleson A, C and D breathing systems with sinusoidal and exponential flow waveforms.

Anaesthesia·1998
Same author

The safety of patient-controlled sedation.

Anaesthesia·1998
Same author

The importance of the expiratory pause. Comparison of the Mapleson A, C and D breathing systems using a lung model.

Anaesthesia·1996
Same journal

Pulmonary artery catheters or central venous catheters for cardiac surgery: the PUMA Pilot randomised clinical trial.

Anaesthesia·2026
Same journal

Effects of single-injection vs. continuous brachial plexus blocks for shoulder surgeries on patient-reported outcomes: a systematic review and meta-analysis with trial sequential analysis of randomised controlled trials.

Anaesthesia·2026
Same journal

Machine learning vs. traditional methods for predicting postoperative cardiac complications after non-cardiac surgery: a systematic review and Bayesian network meta-analysis.

Anaesthesia·2026
Same journal

Sugammadex vs. neostigmine and the risk of postoperative pulmonary complications after upper gastrointestinal endoscopic procedures: a propensity score matched analysis of 15,730 patients.

Anaesthesia·2026
Same journal

Accuracy and precision of continuous, non-invasive blood pressure devices: a systematic review and meta-analyses.

Anaesthesia·2026
See all related articles

This study presents a novel method to approximate arterial blood flow waveforms using pulse oximeter data. By mathematically separating arterial inflow from venous outflow, the underlying arterial waveform can be revealed.

Area of Science:

  • Cardiovascular Physiology
  • Biomedical Engineering
  • Medical Instrumentation

Background:

  • Pulse oximetry is a non-invasive monitoring technique.
  • The pulse oximeter waveform reflects both arterial inflow and venous outflow.
  • Accurate assessment of arterial flow dynamics is crucial for clinical diagnosis.

Purpose of the Study:

  • To develop and describe a mathematical method for approximating the arterial flow waveform.
  • To separate arterial inflow and venous outflow components from the composite pulse oximeter waveform.
  • To enable derivation of the arterial waveform using readily available pulse oximetry data.

Main Methods:

  • A mathematical model was developed to analyze the pulse oximeter waveform.
  • The method involves separating the waveform into arterial inflow and venous outflow components.

Related Experiment Videos

  • Subtraction of the calculated venous outflow from the observed waveform isolates the arterial flow component.

    • Main Results:

    • A method for approximating the arterial flow waveform from pulse oximeter data was successfully derived.
    • The technique allows for the mathematical separation of arterial and venous contributions to the waveform.
    • The underlying arterial flow waveform can be revealed by subtracting the venous outflow.

    Conclusions:

    • The described method provides a viable approach to approximate arterial flow waveforms non-invasively.
    • This technique enhances the information obtainable from standard pulse oximetry.
    • Further research can explore the clinical applications of this arterial waveform approximation.