Key result
Epicardial right atrial free wall mapping in 16 patients with chronic atrial fibrillation demonstrated varying activation patterns with median fibrillation cycle lengths ranging from 146 to 165 ms.
Population
16 patients with chronic atrial fibrillation
Design
Cohort
Authors
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Highlights heterogeneous right atrial activation in chronic AF; leaves open optimal ablation targets pending prospective validation.
Observational (n=16)
During chronic atrial fibrillation in humans, right atrial free wall activation exhibits a range of patterns from disorganized multiple waves to predominantly organized uniform or focal repetitive activation.
Holm et al. (1997) conducted an observational in chronic atrial fibrillation (n=16). Epicardial right atrial free wall mapping was evaluated on Right atrial activation pattern, cycle length, and conduction velocity. Epicardial right atrial free wall mapping in 16 patients with chronic atrial fibrillation demonstrated varying activation patterns with median fibrillation cycle lengths ranging from 146 to 165 ms.
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