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 Concept Videos

Clipper Circuit01:18

Clipper Circuit

770
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
770
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

582
Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...
582
Interference: Path Lengths01:10

Interference: Path Lengths

1.8K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
1.8K
Parallel Resonance01:23

Parallel Resonance

427
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
427
Crossing Over01:30

Crossing Over

5.8K
Crossing over is the exchange of genetic information between homologous chromosomes during prophase I of meiosis I. Genetic recombination gives rise to allelic diversity in the newly formed daughter cells. In humans, crossing over produces genetically distinct haploid egg and sperm cells that undergo fertilization to produce unique offspring. Before cell division starts, the germ cell’s chromosome(s) undergo duplication in the S phase of the cell cycle. As the cells enter prophase I,...
5.8K
Crossing Over01:34

Crossing Over

166.9K
Unlike mitosis, meiosis aims for genetic diversity in its creation of haploid gametes. Dividing germ cells first begin this process in prophase I, where each chromosome—replicated in S phase—is now composed of two sister chromatids (identical copies) joined centrally.
The homologous pairs of sister chromosomes—one from the maternal and one from the paternal genome—then begin to align alongside each other lengthwise, matching corresponding DNA positions in a process...
166.9K

You might also read

Related Articles

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

Sort by
Same author

Mechanical Thrombectomy Versus Anticoagulation in Intermediate-Risk Pulmonary Embolism: A Risk-Stratified, Propensity Score-Matched Analysis.

Catheterization and cardiovascular interventions : official journal of the Society for Cardiac Angiography & Interventions·2026
Same author

Scope and Outcome of Early Repolarization Syndrome in Unexplained Cardiac Arrest: Insights From the National HiRO Registry.

Circulation. Arrhythmia and electrophysiology·2026
Same author

Rural-urban disparities in atrial fibrillation-related diagnostic testing and medical procedures in Canada†.

Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology·2026
Same author

A Spinning Nightmare of Twiddler's Syndrome?

Pacing and clinical electrophysiology : PACE·2026
Same author

The Canadian Cardiovascular Society/Canadian Heart Rhythm Society Comprehensive Guidelines for the Selection, Implantation, and Management of Patients With Cardiac Implantable Electronic Devices.

The Canadian journal of cardiology·2026
Same author

Real-world performance of intrinsic antitachycardia pacing: Primary results from a global prospective postapproval registry study.

Heart rhythm·2026

Related Experiment Video

Updated: Dec 17, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
16:40

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

Published on: February 28, 2012

26.7K

Double chamber cross-talk, the ultimate double-cross.

Fahad Almehmadi1,2, Stephen Duffett1,3, Habib R Khan1

  • 1Heart Rhythm Program, London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada.

Pacing and Clinical Electrophysiology : PACE
|June 30, 2020
PubMed
Summary

Double cross-talk in dual-chamber devices, where ventricular events are sensed in the atrial channel and vice-versa, is a rare occurrence. This case report details an unusual device response and its resolution through programming adjustments.

Keywords:
cross-talkimplantable cardioverter defibrillatoroversensing

More Related Videos

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.2K
Studying Cavitation Enhanced Therapy
07:36

Studying Cavitation Enhanced Therapy

Published on: April 9, 2021

5.6K

Related Experiment Videos

Last Updated: Dec 17, 2025

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
16:40

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation

Published on: February 28, 2012

26.7K
Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

Published on: March 20, 2017

10.2K
Studying Cavitation Enhanced Therapy
07:36

Studying Cavitation Enhanced Therapy

Published on: April 9, 2021

5.6K

Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Medical Device Technology

Background:

  • Cross-talk is a known issue in dual-chamber cardiovascular implantable electronic devices (CIEDs).
  • Typically, far-field ventricular events are sensed in the atrial channel, but the reverse is rare.
  • Simultaneous bidirectional cross-talk has not been previously reported.

Observation:

  • A case of double cross-talk was observed in a dual-chamber Medtronic implantable cardioverter-defibrillator (ICD).
  • This involved sensing of far-field ventricular events in the atrial channel and far-field atrial events in the ventricular channel concurrently.
  • An unusual device response to this double cross-talk phenomenon was noted.

Findings:

  • The study identified and characterized a novel instance of double cross-talk in a dual-chamber ICD.
  • The specific unusual device behavior triggered by this cross-talk was deciphered.
  • Successful resolution of the double cross-talk and its associated abnormal device response was achieved through targeted programming modifications.

Implications:

  • This case expands the understanding of potential cross-talk phenomena in CIEDs.
  • It highlights the importance of recognizing and managing complex cross-talk scenarios.
  • The described programming strategies offer valuable insights for clinicians managing patients with dual-chamber ICDs experiencing similar issues.