Skin color and ear oximetry.

@article{Ries1989SkinCA,
  title={Skin color and ear oximetry.},
  author={Andrew Ries and Lela M. Prewitt and Jennifer J. Johnson},
  journal={Chest},
  year={1989},
  volume={96 2},
  pages={
          287-90
        }
}
Measurements of arterial blood oxygen saturation from two ear oximeters were compared with 655 simultaneously drawn arterial blood samples in 187 patients grouped by skin color quantified by the Munsell color system. Technical problems including warning lights and messages with the two ear oximeters were recorded. There were significantly more technical problems in patients with the darkest skin color associated with inability to obtain a reading or warning message indicating poor tissue… CONTINUE READING

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