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Related Experiment Videos

Cardiac pacing.

N P Smyth

    The Annals of Thoracic Surgery
    |March 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    This review covers cardiac pacing systems, including their electrophysiology, indications, and implantation. It highlights advancements in power sources, moving beyond obsolete batteries to modern lithium and rechargeable options for improved pacemaker function.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Electrophysiology

    Background:

    • Cardiac pacing is essential for managing symptomatic bradycardia.
    • Understanding pacing electrophysiology, indications, and implantation methods is crucial.
    • Technological advancements are continuously improving pacing systems.

    Purpose of the Study:

    • To review the fundamental electrophysiology of temporary and permanent cardiac pacing.
    • To discuss current indications, system types, and implantation techniques.
    • To highlight recent innovations in pacemaker power sources and leads.

    Main Methods:

    • Review of existing literature on cardiac pacing.
    • Description of temporary and permanent pacing systems.
    • Analysis of advancements in power sources (lithium, rechargeable, isotopic) and leads.

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  • Discussion of various pacing modes (atrial, atrioventricular synchronized, sequential).

    • Main Results:

    • Mercury-zinc batteries are obsolete, replaced by advanced power systems.
    • Ventricular pacing remains standard, with atrial programmed systems gaining attention.
    • Pacing systems are evolving for both bradycardia and tachyarrhythmia management.

    Conclusions:

    • Modern cardiac pacing utilizes advanced power sources and leads for enhanced reliability.
    • Pacing technology is expanding beyond bradycardia treatment to include tachyarrhythmia control.
    • Continued innovation in pacing systems promises improved patient outcomes.