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

Area of Science:

• Biomedical Engineering
• Medical Technology
• Digital Health

Background:

• Photoplethysmography (PPG) enables remote heart rate and rhythm assessment using mobile phone cameras.
• PPG technology was integrated into teleconsultations during the COVID-19 pandemic via the TeleCheck-AF project.
• Widespread adoption of PPG in clinical practice necessitates a clear understanding of its signal interpretation.

Purpose of the Study:

• To provide a structured, stepwise practical guide for interpreting photoplethysmography (PPG) signals.
• To enhance the understanding of PPG recordings for healthcare professionals.
• To facilitate the clinical implementation of mobile phone-based PPG technology.

Main Methods:

• Educational guide development.
• Stepwise practical instruction on PPG signal interpretation.
• Focus on utilizing mobile phone cameras for PPG acquisition.

Main Results:

• A comprehensive guide on PPG signal interpretation is presented.
• The guide aims to improve the practical application of PPG technology.
• Understanding PPG is crucial for its integration into routine healthcare.

Conclusions:

• Interpreting PPG signals accurately is essential for leveraging mobile health technology.
• This educational resource supports the clinical use of PPG.
• Enhanced understanding promotes the effective implementation of PPG in telemedicine.