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

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

770
Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
770
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

556
Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
556

You might also read

Related Articles

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

Sort by
Same author

Immunogenicity and safety of co-administration of a recombinant shingles vaccine with an mRNA COVID-19 or adjuvanted influenza vaccine: a randomised controlled trial.

The Journal of infection·2026
Same author

Multidisciplinary Recommendations for the Use of Chest CT and Bronchial Biopsy in Severe Asthma: An Expert Consensus Based on Real-World Experience.

Journal of asthma and allergy·2026
Same author

Early pembrolizumab plasma levels as a prognostic biomarker in real-world NSCLC patients.

Pharmacological research·2026
Same author

Comparing the prognostic utility of late gadolinium enhancement burden and phenotype in patients with cardiac sarcoidosis; a prospective cohort study.

European heart journal. Imaging methods and practice·2026
Same author

High incidence of pacing-induced cardiomyopathy in patients with cardiac sarcoidosis.

Heart rhythm·2026
Same author

Low burden transthyretin cardiac amyloidosis on cardiac magnetic resonance: comprehensive phenotyping and distinction from hypertrophic phenocopies.

European heart journal. Imaging methods and practice·2026

Related Experiment Video

Updated: Mar 11, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.3K

Scar-based catheter ablation for persistent atrial fibrillation.

Pablo B Nery1, Rebecca Thornhill, Girish M Nair

  • 1aDivision of Cardiology, Department of Medicine, University of Ottawa Heart Institute bDepartment of Medical Imaging, The Ottawa Hospital cDepartment of Radiology, University of Ottawa, Ottawa, Ontario, Canada.

Current Opinion in Cardiology
|November 23, 2016
PubMed
Summary

Atrial scar-based catheter ablation shows promise for treating persistent atrial fibrillation, offering a new strategy beyond traditional methods. Further research is needed to confirm its effectiveness and optimal use in patients with this complex arrhythmia.

More Related Videos

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
10:46

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

Published on: May 26, 2015

13.9K
Robotic Ablation of Atrial Fibrillation
11:21

Robotic Ablation of Atrial Fibrillation

Published on: May 29, 2015

20.3K

Related Experiment Videos

Last Updated: Mar 11, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

34.3K
Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
10:46

Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

Published on: May 26, 2015

13.9K
Robotic Ablation of Atrial Fibrillation
11:21

Robotic Ablation of Atrial Fibrillation

Published on: May 29, 2015

20.3K

Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Technology

Background:

  • Persistent atrial fibrillation (AF) presents treatment challenges with current catheter ablation success rates of 45-50%.
  • Atrial fibrosis and scar are increasingly recognized as key factors in the pathophysiology of persistent AF.

Purpose of the Study:

  • To review the role of atrial scar in persistent AF.
  • To discuss scar-based mapping techniques and outcomes.
  • To explore noninvasive imaging for atrial substrate assessment.

Main Methods:

  • Review of current literature on atrial scar and catheter ablation strategies for persistent AF.
  • Discussion of voltage mapping techniques for atrial scar identification.
  • Evaluation of studies on scar-based ablation outcomes.
  • Exploration of delayed enhancement MRI for atrial substrate assessment.

Main Results:

  • Atrial scar-based catheter ablation is an emerging strategy for persistent AF.
  • Current data on scar-based ablation show promise but have limitations.
  • Noninvasive tools like MRI can aid in assessing the atrial substrate.

Conclusions:

  • The optimal catheter ablation strategy for persistent AF is still undetermined.
  • A deeper understanding of AF substrate and mechanisms is crucial.
  • Scar-based catheter ablation is a promising avenue requiring further investigation.