Utility of High Flow Nasal Cannula in CO Toxicity

Inclusion Criteria: * The patients who are admitted to the emergency department with CO poisoning with a CoHB level of \>10%. * The patients who accept to participate in the study. Exclusion Criteria: * The patients who are \<18 years old. * The patients who need mechanical ventilation * The patients who are implemented oxygen more than 30 minutes before the ED admission * The patients who will be transferred to the hyperbaric oxygen center before the CoHB levels are decreased to the half.