Validity of pulse oximetry measures for heart rate and oxygen saturation during profound hypoxia in normobaric simulated extreme altitudes.

Validity of pulse oximetry measures for heart rate and oxygen saturation during profound hypoxia in normobaric simulated extreme altitudes.

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<h4>Introduction</h4>Commercial pulse oximeters may not be well calibrated for oxygen saturations below 70%, conditions that may be met in high altitude aviation and mountaineering. We therefore examined the bias and variability of heart rate (HR) and blood oxygen saturation (SpO2) of fo...

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Main Authors: Harald Vikne, Jon Arild Kjeserud, Willy Westgaard, Ruben Baalsrud Westlie, Jan Ivar Kåsin, Jon Ingulf Medbø, Terje Gjøvaag, Nils Henrik Holmedahl
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0326674
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https://doi.org/10.1371/journal.pone.0326674

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