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Related Experiment Videos

Intermittent atrioventricular block: procainamide administration as a provocative test.

A M Tonkin, W F Heddle, P Tornos

    Australian and New Zealand Journal of Medicine
    |December 1, 1978
    PubMed
    Summary

    Procainamide administration can reveal intermittent high-degree atrioventricular block by prolonging the H-V interval. This provocative test helps diagnose conduction disease in patients with suspected atrioventricular block.

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    Area of Science:

    • Cardiology
    • Electrophysiology

    Background:

    • Intermittent high-degree atrioventricular block presents diagnostic challenges.
    • Bifascicular distal conduction disease is common in patients with suspected block.