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. 2021 Sep;32(3):406-411.
doi: 10.1007/s00399-021-00795-y. Epub 2021 Jul 24.

[Interpretation of photoplethysmography: a step-by-step guide]

[Article in German]
Affiliations

[Interpretation of photoplethysmography: a step-by-step guide]

[Article in German]
Konstanze Betz et al. Herzschrittmacherther Elektrophysiol. 2021 Sep.

Abstract

By applying photoplethysmography (PPG), the camera of the mobile phone can be used to remotely assess heart rate and rhythm, which was widely used in conjunction with teleconsultations within the TeleCheck-AF project during the coronavirus disease 2019 (COVID-19) pandemic. Herein, we provide an educational, structured, stepwise practical guide on how to interpret PPG signals. A better understanding of PPG recordings is critical for the implementation of this widely available technology into clinical practice.

Basierend auf der Technologie der Photoplethysmographie (PPG) lässt sich mit der Kamera eines Smartphones das Vorliegen von Herzrhythmusstörungen und die Herzfrequenz valide erfassen. Diese Technologie wurde im Rahmen des TeleCheck-AF-Projektes benutzt, um die effektive Durchführung von Telekonsultationen bei Patienten mit Vorhofflimmern zu ermöglichen. Die vorliegende Arbeit soll eine Übersicht über die PPG-Technologie und eine Schritt-für-Schritt-Anleitung für die Analyse und Interpretation der PPG-Signale bieten. Damit soll eine Integration und Implementierung dieser vielversprechenden und weit verfügbaren Technik in den klinischen Alltag gebahnt werden.

Keywords: Atrial fibrillation; Heart rhythm disorders; Mobile health; Photoplethysmography.

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