Calculating the partial pressure of oxygen in arterial blood (PaO2) is an essential skill for medical professionals, especially in assessing a patient’s respiratory health. This article will provide a ...

Background: Lower hemoglobin levels have been associated with poor outcomes in patients with out-of-hospital cardiac arrests. Pre-arrest hemoglobin (within 24 hours) and its association with outcomes ...

In the last decades, the description of the U-shaped association between PaO2 and mortality [1] highlighted the potential dangers of high PaO2 levels (hyperoxaemia) in critically ill patients.