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Conf Proc IEEE Eng Med Biol Soc. 2013;2013:2874-7. doi: 10.1109/EMBC.2013.6610140.

Ultra-low-cost clinical pulse oximetry.

Abstract

An ultra-low-cost pulse oximeter is presented that interfaces a conventional clinical finger sensor with a mobile phone through the headset jack audio interface. All signal processing is performed using the audio subsystem of the phone. In a preliminary volunteer study in a hypoxia chamber, we compared the oxygen saturation obtained with the audio pulse oximeter against a commercially available (and FDA approved) reference pulse oximeter (Nonin Xpod). Good agreement was found between the outputs of the two devices.

PMID:
24110327
DOI:
10.1109/EMBC.2013.6610140
[Indexed for MEDLINE]

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