What type of monitoring is essential when administering oxygen to a carbon monoxide poisoning patient?

When administering oxygen to a patient with carbon monoxide poisoning, pulse oximetry monitoring is essential to assess the levels of oxygen saturation in the blood. In cases of carbon monoxide poisoning, standard pulse oximeters may read falsely high due to the presence of carbon monoxide binding to hemoglobin, which can obscure the true oxygen saturation levels. Therefore, it's crucial to monitor the patient's oxygen saturation closely to determine the effectiveness of oxygen therapy and to assess how well the patient is responding to treatment.

While blood pressure, end-tidal CO2, and temperature monitoring are important in the overall management of a patient, they do not specifically address the immediate and critical need to evaluate the effectiveness of oxygen therapy in the context of carbon monoxide exposure. Ensuring adequate oxygenation is a primary concern in treating carbon monoxide poisoning, making pulse oximetry the most relevant monitoring tool in this scenario.