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

Heart block and atrioventricular septal defect.

S Y Ho, M B Rossi, A V Mehta

    The Thoracic and Cardiovascular Surgeon
    |December 1, 1985
    PubMed
    Summary

    Surgical repair of atrioventricular septal defects can impact the cardiac conduction system. Understanding the conduction axis vulnerability is crucial before operating.

    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

    Translocation (3;12) (p21-pter; q24.1-qter) and phenylketonuria.

    Cytobios·2001
    Same author

    Asymptomatic carotid stenosis and unrelated operations: should we be more aggressive?

    Journal of the American College of Surgeons·2001
    Same author

    Natural history of isolated ventricular septal defect in the first five years of life.

    Tennessee medicine : journal of the Tennessee Medical Association·2001
    Same author

    Pericentric inversion in human chromosome 8 and spherocytosis.

    Cytobios·2000
    Same author

    An unusual peripheral vascular response to dopamine in a neonate.

    Tennessee medicine : journal of the Tennessee Medical Association·1999
    Same author

    Intraoral tumor of Chievitz in a child.

    Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society·1999

    Area of Science:

    • Cardiology
    • Cardiac Electrophysiology
    • Pediatric Cardiac Surgery

    Background:

    • Atrioventricular septal defects (ASDs) are congenital heart conditions requiring surgical correction.
    • The cardiac conduction system, particularly the atrioventricular (AV) conduction axis, is vital for maintaining normal heart rhythm.
    • Previous studies highlight potential risks to the conduction system during ASD repair.

    Observation:

    • Histological examination of two post-repair hearts with pre-existing conduction abnormalities was performed.
    • Case 1 involved a child with a prolonged P-R interval.
    • Case 2 involved a girl who developed complete heart block prior to surgery.

    Findings:

    • The AV conduction axis showed histological discontinuity in the first case.
    • In the second case, the AV conduction axis was preserved but surrounded by hemorrhage.
    • These findings suggest distinct patterns of conduction system injury related to ASD repair.

    Implications:

    • The cardiac conduction axis demonstrates inherent vulnerability in the context of atrioventricular septal defect repair.
    • Pre-operative recognition of conduction abnormalities is essential for surgical planning.
    • Further research is needed to elucidate mechanisms of conduction system injury and develop protective strategies.

    Related Experiment Videos