Key result
A higher number of visible surface electrodes from each atrial region improved electrocardiographic imaging characterization, resulting in lower dominant frequency deviations (0.64±0.26 Hz vs 0.72±0.27 Hz, p<0.05).
Why the study?
Does patient torso and atrial geometry affect the accuracy of non-invasive electrocardiographic imaging (ECGI) in reconstructing atrial fibrillation markers?
Observational (n=30)
Does patient torso and atrial geometry affect the accuracy of non-invasive electrocardiographic imaging (ECGI) in reconstructing atrial fibrillation markers?
Answers are grounded in this paper and cite their sources.
Patient torso geometry and the number of visible surface electrodes significantly affect the accuracy of non-invasive electrocardiographic imaging for mapping atrial fibrillation drivers.
through specific markers based on frequency or phase analysis. In this study, the effect of the geometry of patients' torso and atria in the ECGI resolution is studied.
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Alabau et al. (2019) conducted an observational in Atrial Fibrillation (n=30). Higher number of visible surface electrodes vs. Lower number of visible surface electrodes was evaluated on Dominant frequency deviation (p=<0.05). A higher number of visible surface electrodes from each atrial region improved electrocardiographic imaging characterization, resulting in lower dominant frequency deviations (0.64±0.26 Hz vs 0.72±0.27 Hz, p<0.05).
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