Si tenemos síntomas debemos hacernos una prueba en nuestro médico o acudir a un centro especialista para ello.Though oxygen saturation (SpO2 ) fluctuated at roughly ninety five% just after intubation, arterial oxygen force (PaO2 ) was substantial on arterial blood gas analysis. We suspected methemoglobinemia based on the hole among SpO2 and PaO2