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April 12, 2026Respiratory Care

Clinical Evaluation of the Ohmeda Biox III Pulse Oximeter: A Comparison of Finger and Ear Cuvettes

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Authors

WCWilliam T CecilLMLea S MorrisonSLSeri Lamoonpun

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Overview

Evaluation reveals accurate arterial oxygen saturation monitoring using finger cuvette in patients, suggesting clinical reliability.

Key Points

  • The aim is to evaluate the accuracy of the Ohmeda Biox III pulse oximeter in measuring arterial oxygen saturation using different cuvettes.
  • Conducted 201 measurements on 109 patients with various illnesses.
  • Simultaneous arterial blood sampling alongside oximeter measurements.
  • Compared data from both ear and finger cuvettes using an IL282 CO-Oximeter.
  • Finger cuvette recorded 100% acceptance rate; ear cuvette 91.5%.
  • Mean difference for finger cuvette was 0.21%, and for ear cuvette was 0.53% (clinically insignificant).
  • High correlation of 0.904 for finger and 0.871 for ear cuvette measurements.

Cite This Study

Cecil et al. (1985) studied this question.

synapsesocial.com/papers/69db38274fe01fead37c662ahttps://doi.org/10.1177/194336548503001006
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