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

A method for estimating endocardial electrode stability.

P Stirbys1, J Skucas, G Andziukevicius

  • 1Kaunas Medical Academy, Lithuania.

Pacing and Clinical Electrophysiology : PACE
|December 1, 1990
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

Improvement of the pacemaker-lead code.

Pacing and clinical electrophysiology : PACE·1998
Same author

Anaphylactoid reactions with gastrointestinal contrast media.

AJR. American journal of roentgenology·1997
Same author

The automatic implantable cardioverter-defibrillator: evaluating suspected inappropriate shocks.

Pacing and clinical electrophysiology : PACE·1996
Same author

Electrostimulated cardiomyoplasty: from experimental to clinical studies.

Pacing and clinical electrophysiology : PACE·1996
Same author

A cup of coffee.

Academic radiology·1996
Same author

Radiology in Lithuania: impressions of a visiting professor.

AJR. American journal of roentgenology·1995

A new provocative test using phrenic nerve pacing assesses cardiac pacing electrode stability. This method identified seven dislodged electrodes, suggesting its potential for improving implantable device reliability.

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Implantable Devices

Background:

  • Cardiac pacing electrode stability is crucial for device function.
  • Current methods for assessing stability may be insufficient.
  • A reliable method to test electrode stability is needed.

Purpose of the Study:

  • To describe and evaluate a novel provocative test for assessing cardiac pacing electrode stability.
  • To determine the efficacy of this test in identifying unstable electrodes.

Main Methods:

  • A synchronized electrical pacing of the left phrenic nerve was employed using a specialized external pacemaker.
  • A positive test response was defined as diaphragmatic contraction inducing abrupt heart movement.
  • Fifty-six endocardial electrodes were tested using this provocative method.

Related Experiment Videos

Main Results:

  • Seven of the 56 tested electrodes dislodged during the pacing test.
  • The dislodged electrodes included one with a flange tip, two tined, and four without fixation.
  • An insignificant elevation in acute ventricular pacing threshold was observed post-test.

Conclusions:

  • The described phrenic nerve pacing test is a potentially advantageous method for assessing cardiac pacing electrode stability.
  • This provocative test demonstrated the ability to identify electrode dislodgement.
  • Further clinical validation is required to establish the widespread utility of this testing method.