Premature escape beats induced by overdrive pacing in canine Purkinje fibers. Evidence for the role of normal automaticity as an underlying cellular mechanism.

@article{Viamonte1990PrematureEB,
  title={Premature escape beats induced by overdrive pacing in canine Purkinje fibers. Evidence for the role of normal automaticity as an underlying cellular mechanism.},
  author={V A Viamonte and Michael R. Rosen},
  journal={Circulation},
  year={1990},
  volume={82 1},
  pages={
          234-43
        }
}
Premature escape beats induced in conscious dogs with chronic complete atrioventricular block have been defined as escape beats occurring on cessation of overdrive pacing and having a coupling interval to the last paced beat shorter than the coupling interval between the premature escape beat and the second postpacing beat. Triggered activity has been proposed as the primary underlying mechanism. We used standard microelectrode techniques to study the effects of overdrive pacing on normal… CONTINUE READING

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