Abstract

CARRALERO PAREDES, Arianna et al. PPG & ECG Annotation Tool: Software for annotation of ECG and PPG signals. EAC [online]. 2023, vol.44, n.2, pp. 1-13.  Epub Feb 01, 2024. ISSN 1815-5928.

The study and early diagnosis of cardiac arrhythmias are of great interest today. For several years, new studies have highlighted the potential of the photoplethysmographic wave to detect these events. However, for the design and evaluation of these algorithms, it is necessary to have electrocardiographic and photoplethysmographic signals acquired simultaneously and annotated by specialists. There is low availability of annotated photoplethysmography signals for the study of arrhythmias, as well as tools that make it possible to perform analysis and annotations on these signals. This work shows the software "PPG & ECG Annotation Tool" for annotating electrocardiography (ECG) and photoplethysmography (PPG) records. The proposed software facilitates three main types of annotations: characteristic points, for example, R-peaks of the electrocardiogram, arrhythmic events with adjustable duration, and signal quality. The tool contains algorithms for detecting fiducial points ECG and PPG signals and enables their correction by the user. It also allows computing time intervals and heart rates in selected segments. The software is designed for medical specialists, does not require programming skills, and the user interface is simple and intuitive. The software is available for Windows and Linux platforms.

Keywords : arrhythmias; photoplethysmographic signal; software tool; annotations.

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