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

Sinus node recovery time in the elderly.

H E Kulbertus, F Leval-Rutten, L Mary

    British Heart Journal
    |April 1, 1975
    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

    Nirogacestat-the pathway to approval of the first treatment for desmoid tumors, a rare disease.

    Therapeutic advances in rare disease·2025
    Same author

    Role of chromosomal imbalances in the pathogenesis of DSD: A retrospective analysis of 115 prenatal samples.

    European journal of medical genetics·2023
    Same author

    Mitral valvotomy in elderly patients.

    British medical journal·2010
    Same author

    Pseudosarcoma: a diagnostic and treatment dilemma.

    Journal of postgraduate medicine·2007
    Same author

    Identification of viable myocardium early after acute myocardial infarction using closed-loop arbutamine echocardiography: comparison with positron emission tomography.

    Acta cardiologica·2002
    Same author

    Exercise versus dobutamine-induced ST elevation in the infarct-related electrocardiographic leads: clinical significance and correlation with functional recovery.

    American heart journal·2001
    Same journal

    Cardiac enlargement with bradycardia in recruits.

    British heart journal·2010
    Same journal

    Paravertebral block and the electrocardiogram in angina pectoris.

    British heart journal·2010
    Same journal

    Induced changes in the circulation in constrictive pericarditis.

    British heart journal·2010
    Same journal

    Angina pectoris with associated left paroxysmal ptosis.

    British heart journal·2010
    Same journal

    Myxoedema with pericardial effusion.

    British heart journal·2010
    Same journal

    Hypoxaemia tests in coronary disease.

    British heart journal·2010
    See all related articles

    This study establishes normal sinus node recovery time values in older adults with cardiovascular disease. Findings reveal individual variations in pacemaker behavior post-pacing, impacting sick sinus syndrome diagnosis.

    Area of Science:

    • Cardiology
    • Electrophysiology
    • Geriatric Medicine

    Background:

    • Sick sinus syndrome is common in elderly patients with cardiovascular conditions.
    • Sinus node recovery time (SNRT) is a proposed diagnostic tool.
    • Establishing normal SNRT values in this population is crucial.

    Purpose of the Study:

    • To determine normal sinus node recovery time values in elderly individuals with cardiovascular disease.
    • To investigate the relationship between SNRT and patient characteristics.
    • To characterize pacemaker behavior after atrial pacing.

    Main Methods:

    • Atrial pacing studies were conducted in 30 subjects over 50 years old with peripheral vascular disease.
    • Participants had co-existing conditions like hypertension, angina, or prior myocardial infarction.

    Related Experiment Videos

  • Sinus node recovery time and atrioventricular conduction were measured during pacing.

    • Main Results:

    • Second-degree atrioventricular block occurred in most patients at pacing rates above 120/min.
    • Maximum post-overdrive pauses averaged 1100 ms, correlating with intrinsic cardiac rate.
    • A secondary depression phase was observed in about half of the cases after fast-rate pacing.

    Conclusions:

    • Sinus node recovery time measurements in older adults with cardiovascular disease show significant individual variability.
    • Pacemaker behavior post-pacing differs based on pacing rate and intrinsic heart rate.
    • These findings contribute to understanding SNRT in the context of sick sinus syndrome diagnosis in elderly patients.