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Related Experiment Videos

Recurrent ventricular tachycardia responsive to verapamil.

G J Klein, P J Millman, R Yee

    Pacing and Clinical Electrophysiology : PACE
    |November 1, 1984
    PubMed
    Summary

    Verapamil effectively treated recurrent ventricular tachycardia in five young patients without heart disease. Similar QRS patterns suggest a shared cause possibly linked to slow channel activity.

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    Area of Science:

    • Cardiology
    • Electrophysiology
    • Pediatric Cardiology

    Background:

    • Recurrent ventricular tachycardia (VT) in young patients without structural heart disease is uncommon.
    • Understanding the pathophysiology of such cases is crucial for effective management.

    Observation:

    • Five young patients presented with recurrent ventricular tachycardia (VT).
    • All patients exhibited similar QRS patterns: right bundle branch block and left axis deviation.
    • No organic heart disease was detected in any patient.

    Findings:

    • Verapamil successfully terminated or prevented VT in all five patients.
    • Electrophysiology studies indicated inducible VT in one patient.
    • Clinical and electrocardiographic similarities suggest a common pathophysiology.

    Implications:

    • These findings suggest that verapamil-responsive VT in young patients may be dependent on slow channel activity.
    • Further research into the role of slow channels in pediatric VT is warranted.
    • This study highlights a potential therapeutic target for specific types of ventricular tachycardia.

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