2021
DOI: 10.1016/j.bspc.2021.102421
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Modeling of artifacts in the wrist photoplethysmogram: Application to the detection of life-threatening arrhythmias

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Cited by 15 publications
(12 citation statements)
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“…Overall data quality is higher during nighttime compared to daytime. This finding in our large cohort is in line with findings in smaller samples specifically for PPG data 35 , 75 . Higher data completeness during the night likely results from fewer risks for the wearable device to be disconnected, such as moving away from the recording device in the outpatient setting, or otherwise stopping recording accidentally.…”
Section: Discussionsupporting
confidence: 92%
“…Overall data quality is higher during nighttime compared to daytime. This finding in our large cohort is in line with findings in smaller samples specifically for PPG data 35 , 75 . Higher data completeness during the night likely results from fewer risks for the wearable device to be disconnected, such as moving away from the recording device in the outpatient setting, or otherwise stopping recording accidentally.…”
Section: Discussionsupporting
confidence: 92%
“…When reporting on detection performance, it is essential to state whether performance is computed using the annotations of all segments of the recordings or only the annotations of the segments which remain after signal quality assessment; the latter alternative tends to exaggerate the performance by ignoring false negatives corresponding to arrhythmia segments excluded due to poor quality Paliakaitė et al (2021) . In the present study, the performance measures are computed independently of segment exclusion since the annotations were determined from good-quality ECG signals, not from the PPG signals.…”
Section: Discussionmentioning
confidence: 99%
“…In the context of automated ECG analysis, various definitions can be found relating to the extreme manifestations of these two arrhythmias: extreme bradycardia is defined by a heart rate lower than 40 bpm with fewer than five beats within a period of 6 s, and extreme tachycardia is defined by a heart rate higher than 140 bpm with at least 18 beats within a period of 6.85 s Clifford et al (2016) . Yet another definition of extreme tachycardia can be found in Paliakaitė et al (2021) , replacing 18 with 5 beats, whereas the definition of extreme bradycardia remains unchanged; episodes has to be separated by at least 3 non-arrhythmic beats.…”
Section: Discussionmentioning
confidence: 99%
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