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Methods for determining the refractory period and excitable gap during persistent atrial fibrillation in the goat.

Authors
Type
Published Article
Journal
Circulation
1524-4539
Publisher
Ovid Technologies Wolters Kluwer -American Heart Association
Publication Date
Volume
104
Issue
8
Pages
957–962
Identifiers
PMID: 11514386
Source
Medline

Abstract

During persistent AF with an AFCL of 98+/-14 ms, the RP(AF) determined by mapping of synchronized premature stimuli (gold standard) was 70+/-12 ms, with an excitable period of 28+/-8 ms. Although the indirect methods to measure RP(AF) all correlated well with the gold standard, slow fixed-rate pacing seems to be the most attractive technique because of the ease of acquiring the data and the clear graphic result.

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