When titrating inspired oxygen, the recommended arterial oxyhemoglobin saturation value for a patient who achieves return of spontaneous circulation (rosc) should be within the normal range for oxygenated blood, which is typically between 95% to 100%. When titrating inspired oxygen, the arterial oxyhemoglobin saturation value that lies within the recommended range for a patient who achieves return is 90%. Under normal conditions, oxygen saturation of arterial blood at or below 95.
PPT OXYHEMOGLOBIN DISSOCIATION CURVE PowerPoint Presentation, free
However, in patients who achieve rosc after cardiac arrest, available evidence supports adjusting inspired oxygen content to avoid arterial hyperoxemia while providing adequate arterial oxyhemoglobin saturation.
Hyperventilation is common after cardiac arrest and should be avoided because of the potential for adverse hemodynamic effects.
However, the evidence of the optimal delivery of oxygen after rosc from ca is of very low quality [11]. This range is considered safe and effective for ensuring adequate oxygenation without causing potential oxygen toxicity or other complications associated with very. Although _____ may have been used during initial resuscitation, providers should titrate inspired oxygen to the lowest level to achieve an arterial oxygen saturation of 94 to 99% to avoid potential oxygen toxicity; However, the evidence of the optimal delivery of oxygen after rosc from ca is of very low quality [11].
An oxygenation strategy of maintaining the oxyhemoglobin saturation in the range 94% to 99% after rosc and downtitrating the inspired oxygen while the saturation remains 100% appears appropriate: After oxygen gas exchange at the alveoli of the lung, most oxygen molecules perfuse into the arterial blood and bind to hemoglobin. Maintaining spo2 within this range helps ensure adequate oxygenation of tissues while avoiding potential oxygen toxicity.
