Why the study?
Do pacing maneuvers demonstrate discrete connections between the left atrial myocardium and coronary sinus musculature, and are they associated with atrial arrhythmias?
Population
30 patients undergoing electrophysiologic study with associated atrial arrhythmias.
Design
Cross-sectional
Authors
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Distal CS-LA block was associated with prior AF or atypical flutter; hypothesis-generating for arrhythmogenic role and requires prospective validation.
Do pacing maneuvers demonstrate discrete connections between the left atrial myocardium and coronary sinus musculature, and are they associated with atrial arrhythmias?
The ability to dissociate the left atrium from the distal coronary sinus suggests discrete connections that are associated with the clinical occurrence of atrial arrhythmias.
Kasai et al. (2001) studied this question.
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