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

Partial pacemaker recycling of implanted QRS-inhibited pulse generators

R J Sung, A Castellanos, R J Thurer

    Pacing and Clinical Electrophysiology : PACE
    |April 1, 1978
    PubMed
    Summary

    Programmed chest wall stimulation safely and accurately assesses pacemaker sensing properties. Partial pacemaker recycling is a normal, time-dependent feature of certain lithium-powered pulse generators.

    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

    Effect of particle size and interparticle force on the fluidization behavior of gas-fluidized beds.

    Physical review. E, Statistical, nonlinear, and soft matter physics·2003
    Same author

    Pumping of liquids with ac voltages applied to asymmetric pairs of microelectrodes.

    Physical review. E, Statistical, nonlinear, and soft matter physics·2003
    Same author

    Experimental study on the dynamics of gas-fluidized beds.

    Physical review. E, Statistical, nonlinear, and soft matter physics·2003
    Same author

    Fluid flow induced by nonuniform ac electric fields in electrolytes on microelectrodes. III. Observation of streamlines and numerical simulation.

    Physical review. E, Statistical, nonlinear, and soft matter physics·2002
    Same author

    Fine cohesive powders in rotating drums: Transition from rigid-plastic flow to gas-fluidized regime.

    Physical review. E, Statistical, nonlinear, and soft matter physics·2002
    Same author

    Sudden death due to cardiac arrhythmias.

    The New England journal of medicine·2002

    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Electrophysiology

    Background:

    • QRS-inhibited lithium-powered pulse generators are widely used.
    • Partial pacemaker recycling (PPR) is an observed phenomenon.
    • Understanding pacemaker sensing properties is crucial for patient safety.

    Purpose of the Study:

    • To evaluate the sensing properties of Intermedics C-MOS-1 and ARCO L1-2D pulse generators.
    • To determine the safety and accuracy of programmed chest wall stimulation (CWS) for assessing pacemaker function.
    • To investigate the characteristics of partial pacemaker recycling (PPR).

    Main Methods:

    • Systematic programmed chest wall stimulation (CWS) in 23 patients.
    • Intracardiac programmed ventricular stimulation (PVS) in 9 patients.

    Related Experiment Videos

  • Measurement of automatic interval (AI) and absolute refractory period (ARP).

    • Main Results:

    • Precise correlation between CWS and PVS in determining pacemaker sensing properties.
    • Partial pacemaker recycling (PPR) occurred 110-240 msec after the absolute refractory period (ARP).
    • PPR was found to be time-dependent rather than voltage-dependent.

    Conclusions:

    • Programmed chest wall stimulation (CWS) is a safe, simple, and accurate method for studying pacemaker sensing properties.
    • Time-dependent partial pacemaker recycling (PPR) is a normal electrical characteristic of specific implanted QRS-inhibited lithium-powered pulse generators.
    • These findings enhance the understanding of pacemaker behavior and diagnostic methodologies.