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Keywords: PPG.PNG en A representative photoplethsmograph obtained from a Nonin pulse oximeter attached to the ear Original upload date 1 55 8 November 2006 own User Spl4 Spl4 en PD-shape Original upload log en wikipedia FtCG page en wikipedia PPG PNG wikitable Date/Time Dimensions User Comment - 01 55 8 November 2006 793 × 401 22 555 bytes Spl4 w en <nowiki> Created by Stephen Linder using Matlab </nowiki> Unidentified graphs Line charts |