Calculation of the Respiratory Modulation of the Photoplethysmogram (DPOP) Incorporating a Correction for Low Perfusion

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="980149.fig.003a" src="https://static.hindawi.com/articles/arp/volume-2014/980149/figures/980149.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>DPOPa versus PPV</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="980149.fig.003b" src="https://static.hindawi.com/articles/arp/volume-2014/980149/figures/980149.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>DPOPb versus PPV</td></tr></table></td></tr></table>

<table>Original and Percent modulation (PMod) corrected DPOP results for stable regions. Note: vertical axes are set to the same scale across plots.</table>

Anesthesiology Research and Practice

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Figure 3

Figure 3: Calculation of the Respiratory Modulation of the Photoplethysmogram (DPOP) Incorporating a Correction for Low Perfusion 