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The sick sinus syndrome

H P Sauerwein, J C Roos, A E Becker

    Acta Medica Scandinavica
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Sick sinus syndrome (SSS) patients showed unpredictable responses to stimuli, with abnormal sinus node recovery time. Permanent pacing effectively treated symptoms and enabled management of tachyarrhythmias.

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    Area of Science:

    • Cardiology
    • Electrophysiology
    • Internal Medicine

    Background:

    • Sick sinus syndrome (SSS) is a complex cardiac condition affecting heart rhythm.
    • Understanding SSS electrophysiological characteristics is crucial for effective management.

    Purpose of the Study:

    • To investigate the clinical and electrophysiological features of SSS.
    • To evaluate the efficacy of permanent pacing in managing SSS symptoms and associated arrhythmias.

    Main Methods:

    • Clinical assessment of 30 SSS patients.
    • Electrophysiological measurements including sinus node recovery time.
    • Evaluation of drug and exercise response.
    • Assessment of permanent pacing outcomes.

    Main Results:

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    • Poor sinus rate response to atropine observed.
    • Abnormal sinus node recovery time in most patients.
    • Distal conduction abnormalities identified in 50% of assessed patients.
    • Permanent pacing relieved syncope and dizziness, facilitating tachyarrhythmia management.

    Conclusions:

    • SSS exhibits unpredictable responses and abnormal electrophysiological findings.
    • Permanent pacing is an effective treatment for SSS, improving quality of life and enabling further medical management.
    • The intermittent nature of SSS necessitates thorough diagnostic evaluation.