Oxygen saturation decreases with increasing temperature:An explanation Takeshi UEDA 1 1Department of Emergency Medicine and General Internal Medicine Rakuwa-kai Maruta-machi Hospital pp.83-88
Published Date 2020/1/1
DOI https://doi.org/10.11477/mf.3102200711
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Non-specific desaturation can be seen in patients with fever due to sepsis. Evidence from exercise-induced arterial hypoxemia suggests that hypoxia is due to an increase in oxygen consumption, a diffusion disorder due increased cardiac output, shunt, etc. When the measured SaO2 is low compared to the value estimated from PaO2, consider a rightward shift of the hemoglobin-oxygen dissociation curve associated with acidemia and hyperthermia. Understanding that oxygen saturation decreases nonspecifically in patients with sepsis is important to understand the pathology and appropriate management.

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