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Physiologic Evidence for a Dual A-V Transmission System
Open accessAbstract
A study of the transmission of early premature contractions between atria and ventricles and in the retrograde direction in the dog heart suggests the existence of two parallel A-V conduction pathways communicating with each other over one or more branches. The evidence is based on the excessive delay of very early premature responses in traversing the node, suggesting that a slowly conducting pathway recovers earlier than the normal "fast" pathway; on the echoing back to the chamber of origin of early premature responses; and on ventricular electrograms of "abnormal" configuration obtained during early premature responses. These observations and the hypothesis to which they lead provide a natural explanation for reciprocal rhythm and nodal paroxysmal tachycardia.
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Citations
Cited by
Genesis and Regulation of the Heart Automaticity
Mangoni, M. E., & Nargeot, J. (2008) · Physiological Reviews · doi:10.1152/physrev.00018.2007 · Cited by 600
Demonstration of a Dual A-V Nodal Conduction System in the Isolated Rabbit Heart
MENDEZ, C., & MOE, G. K. (1966) · Circulation Research · doi:10.1161/01.res.19.2.378 · Cited by 353
Self-citationInitiating Reentry: The Role of Nonuniform Anisotropy in Small Circuits
SPACH, M. S., & JOSEPHSON, M. E. (1994) · Journal of Cardiovascular Electrophysiology · doi:10.1111/j.1540-8167.1994.tb01157.x · Cited by 266
Connexin 43 expression delineates two discrete pathways in the human atrioventricular junction
Hucker, W. J., Mccain, M. L., Laughner, J. I., Iaizzo, P. A., & Efimov, I. R. (2008) · The Anatomical Record · doi:10.1002/ar.20631 · Cited by 106
The incidence of typical and atypical A-V Wenckebach periodicity
Denes, P., Levy, L., Pick, A., & Rosen, K. M. (1975) · American Heart Journal · doi:10.1016/0002-8703(75)90005-8 · Cited by 79
Metadata
- Authors
- MOE, G. K., PRESTON, J. B., & BURLINGTON, H.
- Venue
- Circulation Research
- Published
- 1956-07
- Volume
- 4
- Issue
- 4
- Pages
- 357-375
- ISSN
- 0009-7330 (ISSN-L)
- 1524-4571
- OpenAlex
- W2124070857
- Cited by
- 478
- References
- 0
- FWCI
- 6.58
- Type
- journal article
- Language
- en
- Open access
- bronze
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- MOE, G. K., PRESTON, J. B., & BURLINGTON, H. (1956). Physiologic Evidence for a Dual A-V Transmission System. Circulation Research. https://doi.org/10.1161/01.res.4.4.357
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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