Near-infrared spectroscopy: theory and applications.

  title={Near-infrared spectroscopy: theory and applications.},
  author={Joyce A. Wahr and Kevin K Tremper and Salem Samra and David T. Delpy},
  journal={Journal of cardiothoracic and vascular anesthesia},
  volume={10 3},
In conclusion, NIRS appears to offer both a new monitoring modality and new information about cerebral oxygenation. Technical problems in the application of this technology persist, most notably determination of pathlength and the volume of tissue interrogated. Those familiar with the history of pulse oximetry will recall that although Millikan developed an ear oximeter in 1947, it was not until Aoyagi combined recognition of the pulse signal with spectroscopy in the 1970s that oximetry was… CONTINUE READING
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