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[Nonparoxysmal tachycardia and accelerated ectopic rhythms].

V L Doshchitsin, I I Kirillova, E I Koverina

    Kardiologiia
    |March 1, 1983
    PubMed
    Summary

    Accelerated ectopic rhythms (60-90 bpm) are typically asymptomatic, while nonparoxysmal tachycardia (91-130 bpm) often worsens patient condition. Effective treatments vary for supraventricular and ventricular arrhythmias.

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    Area of Science:

    • Cardiology
    • Electrophysiology
    • Internal Medicine

    Background:

    • Ectopic rhythms are classified by impulse frequency: accelerated (60-90 bpm) and nonparoxysmal tachycardia (91-130 bpm).
    • Understanding the clinical presentation and treatment of these arrhythmias is crucial for patient management.

    Observation:

    • Forty patients were studied: 27 with nonparoxysmal tachycardia and 13 with accelerated ectopic rhythms.
    • Accelerated rhythms were generally asymptomatic and required no treatment.
    • Nonparoxysmal tachycardia, including supraventricular and ventricular types, frequently led to a worsened clinical state.

    Findings:

    • Nonparoxysmal tachycardia often presented with significant clinical symptoms.
    • A transition between nonparoxysmal and paroxysmal tachycardia occurred in 7 patients.

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  • Specific medications showed efficacy: Cordarone, beta-adrenergic agents, and Isoptin for nonparoxysmal supraventricular tachycardia; Ethmosine, Cordarone, and Rhythmodan for ventricular arrhythmias.

    • Implications:

    • Differentiated treatment strategies are necessary for accelerated ectopic rhythms versus nonparoxysmal tachycardia.
    • Pharmacological interventions vary in effectiveness depending on the type and origin of the arrhythmia.
    • Further research into the mechanisms and optimal management of these tachyarrhythmias is warranted.