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Related Experiment Videos

Sinus bradycardia with hiatus hernia

P Marks, J G Thurston

    American Heart Journal
    |January 1, 1977
    PubMed
    Summary

    Large hiatus hernias can cause sinus bradycardia, a slow heart rate. Surgical repair of these hernias effectively resolved the arrhythmia, suggesting a link between the hernia and heart rhythm.

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    Area of Science:

    • Gastroenterology
    • Cardiology
    • Surgical Case Reports

    Background:

    • Hiatus hernias, particularly large mixed sliding and paraesophageal types, are common gastrointestinal conditions.
    • Sinus bradycardia is a heart rhythm characterized by a slow heart rate originating from the sinus node.
    • The specific association between hiatus hernias and sinus bradycardia has not been previously well-documented.

    Observation:

    • Three patients presented with large mixed sliding and paraesophageal hiatus hernias.
    • These patients experienced episodes of sinus bradycardia.
    • Bradycardia episodes resolved with atropine, indicating vagal nerve involvement.

    Findings:

    • Surgical repair of the hiatus hernias led to the complete cessation of sinus bradycardia episodes.
    • The resolution of bradycardia post-surgery suggests a direct causal or strongly associated relationship.
    • Vagal mediation was implicated in the bradycardia, potentially due to nerve compression or irritation by the hernia.

    Implications:

    • This report highlights a previously unrecognized association between hiatus hernias and sinus bradycardia.
    • Surgical intervention for hiatus hernias may resolve associated cardiac arrhythmias.
    • Further investigation into the pathophysiology of vagal nerve involvement in hiatus hernia patients is warranted.

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