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

Atrial stunning: determinants and cellular mechanisms.

Ijaz A Khan1

  • 1Division of Cardiology, Creighton University School of Medicine, Omaha, Neb 68131-2044, USA. ikhan@cardiac.creighton.edu

American Heart Journal
|May 27, 2003
PubMed
Summary

Atrial stunning, a temporary loss of heart function after atrial fibrillation cardioversion, is influenced by factors like fibrillation duration and heart structure. Recovery time varies, with shorter durations resolving faster.

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

Management of hypertension in liver transplant patients.

International journal of cardiology·2011
Same author

Carotid body tumor.

International journal of cardiology·2009
Same author

Lyme carditis: sequential electrocardiographic changes in response to antibiotic therapy.

International journal of cardiology·2008
Same author

Takotsubo cardiomyopathy as a potential cause of long QT syndrome and torsades de pointes.

International journal of cardiology·2008
Same author

Prophylaxis of infective endocarditis: current perspectives.

International journal of cardiology·2008
Same author

Acute stress-induced cardiomyopathy: a brief observation.

International journal of cardiology·2008

Area of Science:

  • Cardiology
  • Electrophysiology
  • Cardiac Mechanics

Background:

  • Atrial stunning is a transient impairment of atrial mechanical function post-cardioversion for atrial fibrillation.
  • This phenomenon occurs despite successful restoration of sinus rhythm.

Purpose of the Study:

  • To review atrial stunning following various atrial fibrillation cardioversion methods.
  • To identify determinants, cellular mechanisms, and clinical implications of atrial stunning.

Main Methods:

  • Comprehensive literature search on atrial stunning and cardioversion.
  • Analysis of studies detailing atrial stunning associated with different cardioversion techniques.

Main Results:

  • Atrial stunning is observed with all cardioversion methods (electrical, pharmacological, spontaneous).

Related Experiment Videos

  • Key determinants include duration of atrial fibrillation, atrial size, and structural heart disease.
  • Recovery duration ranges from 24 hours to 4 weeks, depending on atrial fibrillation chronicity.

    • Conclusions:

    • Atrial stunning is a consequence of underlying atrial fibrillation, manifesting post-conversion.
    • Mechanisms involve calcium handling, myocyte changes, and fibrosis.
    • Atrial stunning impacts thrombus risk, anticoagulation needs, and functional recovery post-cardioversion.