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Related Experiment Videos

[Pacemaker activation by muscular movement].

S Trevethan, M A Martínez Ríos, K Anderson

    Archivos Del Instituto De Cardiologia De Mexico
    |May 1, 1986
    PubMed
    Summary

    New pacemakers (Activitrax) respond to movement and exercise, improving quality of life for patients with complete atrioventricular block by increasing heart rate when needed.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering
    • Medical Devices

    Background:

    • Complete atrioventricular block can impair cardiac function.
    • Atrial systole is sometimes unavailable in patients with pacemakers.
    • Existing pacemakers may not fully meet metabolic demands during exercise.

    Observation:

    • A novel pacemaker model, Activitrax, was developed.
    • This pacemaker is activated by muscle movement.
    • It is responsive to metabolic demands, adjusting firing rate with exercise.

    Findings:

    • The Activitrax pacemaker increases firing rate based on exercise.
    • This dynamic response addresses limitations of fixed-rate pacing.
    • Patient outcomes demonstrated a satisfactory improvement in quality of life.

    Implications:

    • This technology offers a potential improvement for pacemaker patients.
    • Enhanced responsiveness to physical activity can lead to better daily functioning.
    • Further research may explore broader applications in cardiac stimulation.

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