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

Computer-aided characterization and optimization of the Thumper compression waveform in closed-chest CPR.

D B Talley1, J P Ornato, A M Clarke

  • 1Division of Biomedical Engineering Medical College of Virginia, Virginia Commonwealth University, Richmond.

Biomedical Instrumentation & Technology
|July 1, 1990
PubMed
Summary

This study developed a computer model to optimize cardiopulmonary resuscitation (CPR) waveforms. The model predicted that specific compression patterns, like square-wave CPR, can enhance blood flow and pressure more effectively than traditional methods.

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

Resuscitation highlights in 2021.

Resuscitation·2022
Same author

The effect of respiratory activity, non-invasive respiratory support and facemasks on aerosol generation and its relevance to COVID-19.

Anaesthesia·2021
Same author

Resuscitation highlights in 2020.

Resuscitation·2021
Same author

Resuscitation highlights in 2019.

Resuscitation·2020
Same author

Resuscitation highlights in 2018.

Resuscitation·2019
Same author

Resuscitation highlights in 2017.

Resuscitation·2018

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Physiology
  • Computational Modeling

Background:

  • Effective cardiopulmonary resuscitation (CPR) requires optimized blood flow and pressure.
  • Analyzing CPR techniques is crucial for improving patient outcomes.
  • Existing models facilitate the study of various CPR methods.

Purpose of the Study:

  • To develop and utilize a software model of the human cardiovascular system.
  • To analyze hemodynamic parameters under different thoracic pump CPR compression waveforms.
  • To predict the efficacy of novel CPR techniques.

Main Methods:

  • A hardware model of the cardiovascular system was adapted into a SPICE software model.
  • The model simulated various compression waveform inputs for thoracic pump CPR.

Related Experiment Videos

  • Hemodynamic output parameters were analyzed based on compression rate, duty cycle, and waveform type.

    • Main Results:

    • Thumper waveforms showed decaying frequency response with increased compression rates.
    • Square-wave CPR predicted increased systolic pressure and greater blood flow compared to Thumper waveforms.
    • Increased duty cycle enhanced systolic pressure but decreased coronary flow; spike-impulse CPR significantly boosted pressure and flow.

    Conclusions:

    • Computer modeling is a valuable tool for analyzing and optimizing CPR techniques.
    • Square-wave and spike-impulse CPR waveforms show potential for improved hemodynamic outcomes.
    • Further research into CPR waveform optimization can enhance resuscitation effectiveness.