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EMCrit Podcast 208 – Felipe Teran on Why We are Doing CPR Wrong

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lunes, 17 de julio de 2017

CVO saturation

PulmCrit (EMCrit)
PulmCrit – July 17, 2017 - By Josh Farkas
Summary: The Bullet
  • It is impossible to estimate the cardiac output merely by looking at the central venous oxygen saturation.
  • Even if a Fick calculation is performed which takes other variables into account (e.g. hemoglobin concentration), the central venous oxygen saturation cannot be used to accurately calculate the cardiac output.
  • A normal or high central venous oxygen saturation cannot be used to reassure us that the patient has adequate tissue oxygen delivery.
  • The central venous oxygen saturation probably cannot contribute useful information for patient evaluation (i.e. information which is more accurate than what could be otherwise surmised based on other clinical parameters)."