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January 18, 2017Physiological Measurement

The algorithm measured N-N intervals with an average relative error of 9.23 ms when compared to a 2-lead ECG.

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Why the study?

Does a smartphone-based PPG algorithm accurately measure N-N intervals compared to a 2-lead ECG in the presence of movement artifacts?

Population

31 users

Comparison

Smartphone-based photoplethysmography algorithm… vs 2-lead electrocardiography (ECG)

Design

Other

Authors

AGAugusto García-AgúndezTDTim DutzSGStefan Goebel

Discussion

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Overview

May support smartphone PPG for N-N monitoring in research; leaves open clinical validation in larger cohorts.

Structured PICO

Does a smartphone-based PPG algorithm accurately measure N-N intervals compared to a 2-lead ECG in the presence of movement artifacts?

P
Population
31 users
I
Intervention
Smartphone-based photoplethysmography (PPG) algorithm using a Bandpass filter and zero-crossing detection on a PPG signal captured at 800 × 600 pixels and 30 Hz
C
Comparator
2-lead electrocardiography (ECG)
O
Outcome
Average relative error of N-N interval measurementsurrogate

A smartphone-based PPG algorithm can reliably measure N-N intervals with low error compared to a 2-lead ECG, even in the presence of movement artifacts.

Cite This Study

García-Agúndez et al. (2017) studied this question.

synapsesocial.com/papers/6a8a67ea439f8b7e01434d76https://doi.org/10.1088/1361-6579/aa51db
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