Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Number of publications per year and associated biosignal modalities that were combined with PPG from 2010–2019. M1-10: Various modality combinations of PPG: photoplethysmography with; ECG: electrocardiogram, SCG: seismocardiogram, BCG: ballistocardiogram, ICG: impedance cardiogram, GCG: gyrocardiogram, IPG: impedance plethysmography, and SBS: strain-based sensor. It can be observed that ECG is the dominant modality across all years.
