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FACP. Colegio de médicos de Tarragona Nº 4305520 / fgcapriles@gmail.com

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martes, 22 de diciembre de 2020

O2 Sat in dark skin

PulmCrit (EMCrit)
PulmCrit - December 21, 2020 - By Josh Farkas 
"Summary: The Bullet
  • Pulse oximetry may overestimate oxygen saturation among patients with dark skin, often by ~2% when using hospital bedside monitors. This may have substantial treatment implications for patients with borderline oxygen saturation (e.g., saturation ~90%).
  • Bias in pulse oximeters varies substantially between different devices. Available evidence suggests that Nonin clip-on pulse oximeters seem to be accurate regardless of skin color.
  • Trending pulse oximetry over time should remain an accurate tool to monitor clinical progress.
  • Further studies defining the performance of different devices among diverse populations are urgently needed.
  • It is possible to design pulse oximeters which function well regardless of skin color. Fully dismantling the systemic racism of pulse oximetry will require demanding devices which are universally accurate."