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

Asynchronous conduction in the human His bundle

P E Thomsen

    European Journal of Cardiology
    |January 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    This study reveals that His bundle conduction delays can cause various bundle branch blocks in patients with paroxysmal AV block. These findings highlight asynchronous His bundle conduction as a key factor in developing bundle branch block patterns.

    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

    Dose-related cardiac electrophysiological effects of intravenous magnesium. A double-blind placebo-controlled dose-response study in patients with paroxysmal supraventricular tachycardia.

    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·2001
    Same author

    Lessons from the Nordic ICD pilot study.

    Lancet (London, England)·1999
    Same author

    Arterial thromboembolism in patients with sick sinus syndrome: prediction from pacing mode, atrial fibrillation, and echocardiographic findings.

    Heart (British Cardiac Society)·1999
    Same author

    [Treatment of cardiac arrhythmia].

    Ugeskrift for laeger·1999
    Same author

    [Right bundle branch block, ST segment elevation and sudden cardiac death. A clinical and electrocardiographic syndrome--Brugada syndrome].

    Ugeskrift for laeger·1999
    Same author

    [Single-chamber atrial pacing is better than single chamber ventricular pacing in patients with sick sinus syndrome. Results of long-term follow up in a prospective randomized study].

    Ugeskrift for laeger·1999
    Same journal

    Left ventricular aneurysm: pre- and postoperative haemodynamic studies at rest and during exercise.

    European journal of cardiology·1981
    Same journal

    Changes of left ventricular contractility in alternating left bundle branch block.

    European journal of cardiology·1981
    Same journal

    Jugular pulse and flow velocity anomalies: a diagnostic clue to an obstructive tricuspid prosthetic dysfunction.

    European journal of cardiology·1981
    Same journal

    Electrocardiogram in primary pulmonary hypertension.

    European journal of cardiology·1981
    Same journal

    Free ball thrombus of the left atrium.

    European journal of cardiology·1981
    Same journal

    Echocardiographic identification and analysis of function of the St. Jude medical heart valve prosthesis.

    European journal of cardiology·1981
    See all related articles

    Area of Science:

    • Cardiology
    • Electrophysiology
    • Cardiac Electrophysiology

    Background:

    • Atrioventricular (AV) block and bundle branch block (BBB) are common cardiac conduction abnormalities.
    • Understanding the precise mechanisms underlying their co-occurrence is crucial for patient management.

    Observation:

    • Two patients with paroxysmal AV block exhibited characteristic His potential abnormalities, including widening, splitting, slurring, and decreased amplitude.
    • These electrophysiological changes were followed by diverse patterns of BBB.

    Findings:

    • In one patient, left bundle branch block was directly linked to a Wenckebach phenomenon within the His bundle.
    • In the second patient, varying BBB patterns correlated with intra-His bundle conduction delays.

    Related Experiment Videos

    Implications:

    • The study suggests that asynchronous conduction within the His bundle can precipitate critical delays in bundle branches, leading to BBB.
    • These findings enhance our understanding of the electrophysiological basis of complex conduction disturbances.