Laser Doppler Flowmetry and Transcutaneously Measured Carbon Dioxide Tension for Observing Changes of Skin Blood Flow in Fingers

Abstract
Laser Doppler flowmetry (LDF) and transcutaneous CO2 tension measurements (PtcCO2) were performed on fingers of healthy volunteers subjected to a sequence of hydrostatic and thermal stimuli. LDF response using an unheated probe agreed well with measurements made with 133Xe clearance and strain gauge plethysmography in a previous work. The PtcCO2 results did not reflect changes in skin blood flow.

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