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Related Experiment Videos

The automatic implantable defibrillator

M Mirowski, M M Mower, P R Reid

    American Heart Journal
    |December 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    The automatic implantable defibrillator successfully treated malignant ventricular arrhythmias in three patients. This device offers a new approach to preventing sudden cardiac death in high-risk individuals.

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    Area of Science:

    • Cardiology
    • Biomedical Engineering

    Background:

    • Recurrent malignant ventricular arrhythmias pose a significant risk of sudden cardiac death.
    • Medical therapy is often insufficient for patients with refractory arrhythmias.

    Purpose of the Study:

    • To evaluate the efficacy of the automatic implantable defibrillator (AID) in managing patients with life-threatening ventricular arrhythmias.
    • To assess the device's ability to detect and treat episodes of ventricular tachycardia and fibrillation.

    Main Methods:

    • Permanent implantation of the AID in three patients with refractory ventricular arrhythmias.
    • Continuous cardiac rhythm monitoring and documentation of arrhythmic events.
    • Analysis of device performance in identifying and reverting arrhythmias.

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    Main Results:

    • Seven episodes of ventricular tachycardia and flutter-fibrillation were documented post-implantation.
    • The AID correctly identified all episodes and automatically reverted six to normal sinus rhythm.
    • One induced episode required external cardioversion before device recycling.

    Conclusions:

    • The automatic implantable defibrillator demonstrates potential as a new therapeutic option for preventing sudden death.
    • Further research is needed to address remaining challenges and determine the long-term value of this technology.