What is the initial treatment for suspected carbon monoxide poisoning?

What is the initial treatment for suspected carbon monoxide poisoning?

• A. Highest concentration of supplemental oxygen
• B. Hyperbaric oxygen
• C. Nebulized bronchodilator
• D. Phototherapy

Answer: (A)

Carbon monoxide poisoning is treated first by giving the patient the highest possible fraction of inspired oxygen to rapidly displace CO from hemoglobin and speed up its clearance. Administering 100% oxygen, typically via a non-rebreather mask, achieves this quickly; if the patient is unable to maintain their airway, securing the airway and providing 100% oxygen with ventilation is important. Hyperbaric oxygen therapy is reserved for certain situations with more severe effects or risk factors (such as significant neurologic symptoms, unconsciousness, myocardial ischemia, pregnancy, or very high COHb levels), but it is not the universal initial step in every case. Nebulized bronchodilators are not indicated for CO poisoning, and phototherapy has no role in this condition.

Carbon monoxide poisoning is treated first by giving the patient the highest possible fraction of inspired oxygen to rapidly displace CO from hemoglobin and speed up its clearance. Administering 100% oxygen, typically via a non-rebreather mask, achieves this quickly; if the patient is unable to maintain their airway, securing the airway and providing 100% oxygen with ventilation is important. Hyperbaric oxygen therapy is reserved for certain situations with more severe effects or risk factors (such as significant neurologic symptoms, unconsciousness, myocardial ischemia, pregnancy, or very high COHb levels), but it is not the universal initial step in every case. Nebulized bronchodilators are not indicated for CO poisoning, and phototherapy has no role in this condition.