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

[Vagal tone in symptomatic sinus node dysfunction (author's transl)].

J Thormann, F Schwarz, R Ensslen

    Zeitschrift Fur Kardiologie
    |May 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    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

    The efficacy of injectable bone fillers for alveolar ridge preservation: a microcomputed tomographic analysis.

    International journal of implant dentistry·2026
    Same author

    Predicting adverse events for risk stratification of chemotherapy based stem cell mobilization in multiple myeloma.

    NPJ digital medicine·2026
    Same author

    Clinical Performance of Immediately Restored, Surface Modified Two-Piece Zirconia Implants. A Prospective Case Series.

    Clinical oral implants research·2025
    Same author

    Removal of fiber posts using conventional versus guided endodontics: a comparative study of dentin loss and complications.

    Clinical oral investigations·2024
    Same author

    Evaluation of ECG-Gated, High-Pitch Thoracoabdominal Angiographies With Dual-Source Photon-Counting Detector Computed Tomography.

    Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists·2024
    Same author

    Clinical outcomes following a combined vertical and horizontal alveolar ridge augmentation and two-stage implant placement using either autogenous tooth roots or autogenous bone blocks.

    Clinical implant dentistry and related research·2024

    Hypersensitive carotid sinus reflex (HCSR) and sick sinus syndrome (SSS) often coexist in patients with heart rhythm issues. Vagal tone contributes to these conditions, but specific tests can differentiate between HCSR and SSS.

    Area of Science:

    • Cardiology
    • Electrophysiology
    • Autonomic Nervous System Function

    Context:

    • Sinus node dysfunction and sick sinus syndrome (SSS) are common causes of symptomatic bradycardia.
    • The role of autonomic nervous system, particularly vagal tone, in these conditions requires further elucidation.
    • Distinguishing between hypersensitive carotid sinus reflex (HCSR) and SSS is crucial for appropriate patient management.

    Purpose:

    • To investigate the role of vagal tone in symptomatic sinus node dysfunction.
    • To determine the relationship between hypersensitive carotid sinus reflex (HCSR) and sick sinus syndrome (SSS).
    • To assess the effectiveness of atropine in differentiating HCSR and SSS.

    Summary:

    • This study evaluated 168 symptomatic patients, categorizing them into HCSR, HCSR + SSS, isolated SSS, and control groups.

    Related Experiment Videos

  • Measurements included resting heart rate (HR), corrected sinus node recovery time (CSRTmax), and carotid sinus pressure (CSPmax) before and after atropine administration.
  • Results indicated that while vagal tone contributes, the combination of HCSR and SSS is frequent, and specific testing effectively differentiates HCSR from SSS.

    • Impact:

    • The findings highlight the frequent co-occurrence of HCSR and SSS, suggesting a complex interplay of autonomic and intrinsic cardiac factors.
    • Demonstrates that specific diagnostic testing can reliably differentiate between HCSR and SSS.
    • Provides insights into the management of patients with bradyarrhythmias related to sinus node dysfunction.