Measuring And Imaging In Tissue Using Near-Ir Light

Near-infrared spectroscopy (NIRS) is an emerging technique for continuous, noninvasive bedside monitoring of tissue structure, oxygenation, and blood flow. It relies upon the relationships that variations in the concentration of light-absorbing oxygen-carrying pigments produce proportional changes in the way these proteins absorb light, and that variations in concentration and tissue structure affect the path of light through tissue.

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