Experimental studies on the facilitation of AV conduction by ectopic beats in dogs and rabbits.

@article{Moore1971ExperimentalSO,
  title={Experimental studies on the facilitation of AV conduction by ectopic beats in dogs and rabbits.},
  author={E. Neil Moore and Joseph F Spear},
  journal={Circulation research},
  year={1971},
  volume={29 1},
  pages={29-39}
}
Experiments were performed on the hearts of open-chest anesthetized dogs and on isolated rabbit hearts. Intracellular microelectrodes and bipolar surface electrodes were used for recording from and for stimulating the atria, AV node, bundle of His, bundle branches and ventricles. Atrial or ventricular premature beats which were usually blocked or delayed within the AV node were facilitated when ectopic activity caused preexcitation and early recovery of the site of block or delay. Ectopic atria… CONTINUE READING

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