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- W2036389931 abstract "Introduction: Correlation function analysis was applied to endocardial electrograms to investigate conduction patterns along the coronary sinus (CS) during sinus rhythm (SR) and atrial tachycardias. Methods and Results: Eighteen recordings were obtained from 14 patients with supraventricular tachycardias. Five atrial fibrillation (AF) recordings were compared to 10 SR recordings and 3 ectopic atrial tachycardia (EAT) recordings. The maximum correlation coefficient was used to assess similarity between signals, i.e., if they originate from the same wavefront. The cumulative time delay, calculated as pairwise summation of interelectrode time delays, was used as an indicator of activation sequence along the CS. Method validation using SR showed right‐to‐left conduction with high correlations in 8 of 10 recordings indicating one single wavefront. EAT recordings showed consistent left‐to‐right conduction with left atrial foci and right‐to‐left with right atrial focus and lower correlations than SR. All 5 AF recordings showed predominantly left‐to‐right conduction direction, also with correlations lower than SR. Conclusion: (1) Correlation function analysis can be used to assess agreement between signals and direction of activation spread. (2) Due to the position of CS, the results can be used to derive mechanisms of interatrial conduction. (3) Consistency in electrical activity propagation along CS is common in AF. (J Cardiovasc Electrophysiol, Vol. 14, pp. S148‐S153, October 2003, Suppl.)" @default.
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- W2036389931 date "2003-10-01" @default.
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- W2036389931 title "Left Atrial Conduction Along the Coronary Sinus During Ectopic Atrial Tachycardia and Atrial Fibrillation:" @default.
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- W2036389931 doi "https://doi.org/10.1046/j.1540.8167.90304.x" @default.
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