- Other names
- Carbon monoxide intoxication, carbon monoxide toxicity, carbon monoxide overdose
- Specialty
- Toxicology , emergency medicine
- Symptoms
- Headache , dizziness , weakness, vomiting, chest pain , confusion
- Complications
- Loss of consciousness , arrhythmias , seizures
- Causes
- Breathing in carbon monoxide
- Diagnostic method
- Carboxyhemoglobin level:, 3% (nonsmokers), 10% (smokers)
- Differential diagnosis
- Cyanide toxicity , alcoholic ketoacidosis , aspirin poisoning , upper respiratory tract infection
- Prevention
- Carbon monoxide detectors , venting of gas appliances , maintenance of exhaust systems
- Treatment
- Supportive care , 100% oxygen , hyperbaric oxygen therapy
- Prognosis
- Risk of death: 1–31%
- Frequency
- >20,000 emergency visits for non-fire related cases per year (US)