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.
Comparison of PPG parameters using the PPG-EP prototype for three conditions inside the MRI device—both hands separately: (a) mean values of PPGRANGE, HPRIPP, and HRVAR parameters for the left hand (b) the right hand, (c) histograms of z-scores calculated from HR values; PPG sensor was worn on the index fingers of L/R hands of a male.
