[Photoplethysmography: 12 years' experience].
The author draws his conclusions from photoplethysmographic studies and twelve years of experience. This technique, based on the variation in permeability to light of human tissue, has the great advantage of being able to give reliably exact information about the condition of the deep and superficial venous circulation, locally. The information given is as precise as that produced by the techniques termed "invasive".
D006801:Humans; D008027:Light; D010991:Plethysmography
La photopléthysmographie: douze ans d'expeérience.