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Pseudo second degree atrioventricular block with bradycardia. Successful treatment with quinidine.
  1. R W Dhurandhar,
  2. F J Valen,
  3. J Phillips

    Abstract

    Pseudo second degree atrioventricular block resulting from blocked His premature beats was successfully treated with quinidine. The diagnosis was proved by His bundle electrogam which showed both blocked and conducted His premature beats. The blocked His prematures produced second degree atrioventricular block by making the atrioventricular junction refractory. Quinidine abolished both conducted and blocked His extrasystoles. There has been no recurrence of arrhythmia during a one-year follow-up.

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