foundation a todos estos aspectos. No obstante, la falta de claridad, exactitud o transparencia en laThough oxygen saturation (SpO2 ) fluctuated at close to 95% after intubation, arterial oxygen strain (PaO2 ) was superior on arterial blood fuel Investigation. We suspected methemoglobinemia according to the gap in between SpO2 and PaO2 , and subseq