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Reviews in Cardiovascular Medicine (RCM) is published by IMR Press from Volume 19 Issue 1 (2018). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with MedReviews, LLC.
Open Access
Case Review
Extra Long PR Intervals
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1
Cedars-Sinai Medical Center, Los Angeles, CA
Rev. Cardiovasc. Med. 2010, 11(4), 248–253;
https://doi.org/10.3909/ricm0518
Published: 30 December 2010
Abstract
This case review presents various manifestations of extra long PR intervals, an interesting form of atrioventricular (AV) block first described in 1977. All patients in this study had organic heart diseases and various combinations of multilevel conduction impairment. Perhaps the most common cause of chronic AV conduction impairment is the ill-defined degenerative and/or fibrotic damage to the intraventricular conduction system.
Keywords
Atrioventricular block
PR interval
Wenckebach cycle