Episode 1: Pulse Ox Awesomeness

Episode Summary

In this episode of the APEX Live Anesthesia Podcast, we'll review the principles of pulse oximetry. Then, we'll consider a selection of clinically relevant topics related to using the pulse oximeter in the preoperative period. Finally, we'll tie it all together with a case study.

 

What You'll Learn

  • How does the pulse oximeter work?
  • What are the advantages and clinical applications of pulse oximetry?
  • What are the limitations of pulse oximetry?
  • Is the pulse oximeter a good monitor of ventilation?
  • What conditions can cause the pulse oximeter to be unreliable?

 

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Recommended Resources

  1. Cannesson M, et al. Relation between respiratory variations in pulse oximetry plethysmographic waveform amplitude and arterial pulse pressure in ventilated patients. Crit Care. 2005 Jul; 9:R562-R568.
  2. Chan ED, et al. Pulse oximetry: understanding its basic principles facilitates appreciation of its limitations. Respir Med. 2013 Jun;107(6):789-99. 
  3. DeMeulenaere, Susan. "Pulse oximetry: uses and limitations." The Journal for Nurse Practitioners 3.5 (2007): 312-317. 
  4. Lima AP, Beelen P, Bakker J. Use of a peripheral perfusion index derived from the pulse oximetry signal as a noninvasive indicator of perfusion. Crit Care Med.
    2002 Jun;30(6):1210-3.
  5. Mannheimer PD. The light-tissue interaction of pulse oximetry. Anesth Analg. 2007 Dec;105(6 Suppl):S10-7. Review. 
  6. Moller JT, et al. Randomized evaluation of pulse oximetry in 20,802 patients: I. Design, demography, pulse oximetry failure rate, and overall complication rate. Anesthesiology. 1993 Mar;78(3):436-44.
  7. Van Genderen ME, et al. Peripheral perfusion index as an early predictor for central hypovolemia in awake healthy volunteers. Anesth Analg. 2013 Feb;116(2):351-6.
  8. Wilkins MC. Residual bacterial contamination on reusable pulse oximetry sensors. Respir Care. 1993 Nov;38(11):1155-60. 
  9. Yamamoto LG, et al. Nail polish does not significantly affect pulse oximetry measurements in mildly hypoxic subjects. Respir Care. 2008 Nov;53(11):1470-4. 

 

Legal Disclaimer

APEX Anesthesia Review, LLC and APEX Live expressly disclaim any liability in connection with the use of any content in its podcasts, social media posts, and all other published content by any third party.

Podcast music by Eino Toivanen, kongano.com

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