Towards Investigating Global Warming Impact on Human Health Using Derivatives of Photoplethysmogram Signals


Recent clinical studies show that the contour of the photoplethysmogram (PPG) wave contains valuable information for characterizing cardiovascular activity. However, analyzing the PPG wave contour is difficult; therefore, researchers have applied first or higher order derivatives to emphasize and conveniently quantify subtle changes in the filtered PPG… (More)
DOI: 10.3390/ijerph121012776

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