Investigation of photoplethysmography and arterial blood oxygen saturation from the ear-canal and the finger under conditions of artificially induced hypothermia

@article{Budidha2015InvestigationOP,
  title={Investigation of photoplethysmography and arterial blood oxygen saturation from the ear-canal and the finger under conditions of artificially induced hypothermia},
  author={K. Budidha and P. Kyriacou},
  journal={2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)},
  year={2015},
  pages={7954-7957}
}
  • K. Budidha, P. Kyriacou
  • Published 2015
  • Medicine, Computer Science
  • 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
  • Pulse oximeters relay on the technique of photoplethysmography (PPG) to estimate arterial oxygen saturation (SpO2). In conditions of poor peripheral perfusion such as hypotension, hypothermia, and vasoconstriction, pulse oximeters become inaccurate or provide no reading. This is due to the poor quality of the PPG signals detected at that instance. In order to overcome this problem, the ear canal has been proposed as a alternative measurement site for measuring reliable SpO2. Hence, an ear canal… CONTINUE READING
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