| Summary: | The carbon monoxide poisoning (CO) is a common condition. It is presented in 17.5 per 100,000 habitants. It is the main cause of poisoning mortality in developed countries. The condition requires a high index of suspicion and exhaustive evaluation of the patient circumstances. The diagnosis is complicated by the unspecific symptoms and lack of reliable markers. CO-oximetry is a tool that helps the diagnosis, therapeutic decision-making and monitoring. Although the evidence is still controversial, the best opportunity for patients intoxicated with CO is the use of oxygen at high concentrations in a hyperbaric chamber. Considering the difficult access to hyperbaric chamber in our setting, we must consider alternative therapies that can help reduce acute complications and chronic consequences.
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