How should oxygen be administered to patients with acute respiratory failure?

Oxygen administration is critical in managing patients with acute respiratory failure, as it directly addresses hypoxemia and enhances oxygen delivery to vital organs. Using a high-flow system or non-rebreather mask is the most effective method in this scenario because it allows for the delivery of concentrated oxygen at high flow rates, ensuring that the patient receives adequate oxygen to meet their physiological demands.

A high-flow system typically delivers oxygen at rates that exceed the patient’s normal respiratory requirements, while a non-rebreather mask can provide a significant concentration of oxygen (usually around 90% or higher) while minimizing the inhalation of room air. This combination helps to improve oxygen saturation levels quickly, which is necessary in acute situations where time is critical to prevent further complications.

Other methods, such as intramuscular injection, nebulizers, or oral intake, do not provide the immediate and high concentration of oxygen needed in acute respiratory failure. These alternatives either do not deliver oxygen effectively or are not suited for emergency management, highlighting the importance of using a high-flow system or non-rebreather mask in this context.