Pulse oximetry: applications and limitations.

  title={Pulse oximetry: applications and limitations.},
  author={Steven J. Barker and Kevin K Tremper},
  journal={International anesthesiology clinics},
  volume={25 3},
The pulse oximeter estimates arterial hemoglobin saturation by measuring the light absorbance of pulsating vascular tissue at two wavelengths. The relationship between measured light absorbances and saturation was developed empirically and is built into the oximeter software. Studies in human volunteers have shown good performance of the device in healthy adults for saturations in the range of 70 to 100%. Studies in the operating room and intensive care unit have established its clinical… CONTINUE READING
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