Comparison between Speckle Plethysmography and Photoplethysmography during Cold Pressor Test Referenced to Finger Arterial Pressure

Comparison between Speckle Plethysmography and Photoplethysmography during Cold Pressor Test Referenced to Finger Arterial Pressure

Speckle Plethysmography (SPG) and Photoplethysmography (PPG) are different biophotonics technologies that allow for measurement of haemodynamics. As the difference between SPG and PPG under low perfusion conditions is not fully understood, a Cold Pressor Test (CPT—60 s full hand immersion in ice wat...

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Bibliographic Details
Main Authors: Jorge Herranz Olazabal, Ilde Lorato, Jesse Kling, Marc Verhoeven, Fokko Wieringa, Chris Van Hoof, Willem Verkruijsse, Evelien Hermeling
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Sensors
Subjects:
speckle contrast
dual wavelength
SPG
PPG
CPT
low perfusion
Online Access:https://www.mdpi.com/1424-8220/23/11/5016

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