What is a recommended initial oxygen delivery method for a patient with respiratory distress?

In the context of managing a patient with respiratory distress, the initial oxygen delivery method must strike a balance between adequate oxygenation and comfort for the patient. Nasal cannulas, providing low-flow supplemental oxygen, deliver oxygen directly into the nostrils and can provide adequate oxygenation in cases of mild to moderate respiratory distress.

Using a nasal cannula at a rate of 2 L/min allows for a patient to receive up to 28-31% oxygen, which can suffice for patients who are stable and not critically hypoxemic. This method allows for some mobility and communication, which can be beneficial in a non-emergency setting.

Other methods, such as a non-rebreather mask at 12 L/min, would deliver a higher concentration of oxygen and is typically reserved for more severe cases where the patient is in imminent respiratory failure or experiencing significant hypoxia. The Venturi mask provides a controlled oxygen concentration but may not be the first-line choice unless the patient has a specific need for precise oxygen administration. Similarly, the simple face mask at 6 L/min delivers a higher concentration of oxygen than a nasal cannula but might not be as comfortable for patients and can still lead to CO2 retention if not properly monitored.

Therefore, selecting the