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

Calculating endocardial potentials from epicardial potentials measured during external stimulation.

P D Wolf1, A S Tang, R E Ideker

  • 1Department of Biomedical Engineering, Duke University, Durham, NC 27706.

IEEE Transactions on Bio-Medical Engineering
|September 1, 1992
PubMed
Summary

This study introduces a new boundary integral method to calculate heart electrical potentials using epicardial data. The method accurately predicts internal heart potentials despite simplified assumptions.

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

Alzheimer's disease as a women's health challenge: a call for action on integrative precision medicine approaches.

npj women's health·2024
Same author

Compared to CPAP extubation to non-invasive ventilation is associated with higher risk of bronchopulmonary dysplasia in extremely low birth weight infants.

Journal of neonatal-perinatal medicine·2019
Same author

Practical Approach to Syncope: Identifying causes and underlying conditions.

Canadian family physician Medecin de famille canadien·2011
Same author

[Mechanisms of electrical defibrillation].

Herzschrittmachertherapie & Elektrophysiologie·2009
Same author

[Not Available].

Herzschrittmachertherapie & Elektrophysiologie·2009
Same author

Epicardial wavefronts arise from widely distributed transient sources during ventricular fibrillation in the isolated swine heart.

New journal of physics·2008

Area of Science:

  • Biomedical Engineering
  • Computational Electrophysiology
  • Medical Imaging

Background:

  • Accurate calculation of cardiac electrical potentials is crucial for diagnosing heart conditions.
  • Existing methods often struggle with realistic heart geometries and limited surface measurements.
  • Non-invasive methods are needed to assess internal cardiac electrical activity.

Purpose of the Study:

  • To develop and validate a boundary integral method for calculating internal cardiac potential fields.
  • To assess the accuracy of predicting endocardial potentials from epicardial measurements.
  • To evaluate the method's performance using realistic heart geometry and experimental data.

Main Methods:

  • A homogeneous, isotropic heart model was used with a boundary integral method.

Related Experiment Videos

  • Epicardial and endocardial potential measurements were collected in dogs during transthoracic pacing.
  • Internal potentials were predicted from epicardial data and compared to measured endocardial potentials.

    • Main Results:

    • The boundary integral method demonstrated high accuracy in predicting endocardial potentials.
    • A mean correlation coefficient of 0.985 was achieved between measured and predicted potentials.
    • The mean root-mean-square error was 17%, indicating good predictive performance.

    Conclusions:

    • The boundary integral method is a viable approach for calculating internal cardiac potentials.
    • The method shows robustness despite simplifying assumptions about heart tissue properties.
    • This technique holds promise for non-invasive cardiac electrophysiological assessment.