2020 Computing in Cardiology Conference (CinC) 2020
DOI: 10.22489/cinc.2020.205
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Beat-to-beat P-wave Variability Increases from Paroxysmal to Persistent Atrial Fibrillation

Abstract: Atrial fibrillation (AF) is known to worsen over time.Beat-to-beat P-wave variability is used to evaluate the risk of developing AF, but it has not been used to monitor arrhythmia progression in a comprehensive model. The aim of this study is to create a method to measure beat-tobeat P-wave variability to evaluate AF types.ECG recordings of 5 minutes were measured on 159 AF patients. The first three principal components (PCs) of the ECG signal were added to the analysis. The temporal beat-to-beat P-wave variab… Show more

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“…• Spatial similarity: Total percentage of variance explained by the 2 first principal components computing applying PCA on each beat. A median value of all the beats was computed (Di Marco et al, 2012;Meo et al, 2018;Laureanti et al, 2020b).…”
Section: Spatiotemporal P-wave Variability Analysismentioning
confidence: 99%
See 1 more Smart Citation
“…• Spatial similarity: Total percentage of variance explained by the 2 first principal components computing applying PCA on each beat. A median value of all the beats was computed (Di Marco et al, 2012;Meo et al, 2018;Laureanti et al, 2020b).…”
Section: Spatiotemporal P-wave Variability Analysismentioning
confidence: 99%
“…Other sources of ECG-related variability (heart rate, heart axis, and noise level) were also measured as confounding factors, as described earlier (Laureanti et al, 2020b):…”
Section: Spatiotemporal P-wave Variability Analysismentioning
confidence: 99%