What type of mask is used for delivering higher concentrations of oxygen?

The non-rebreather mask is specifically designed to deliver high concentrations of oxygen to patients. It features a reservoir bag that holds a significant volume of oxygen, allowing the mask to provide a high flow of oxygen while minimizing the rebreathing of exhaled air. The mask is equipped with one-way valves that prevent the patient from inhaling any exhaled air, ensuring that the oxygen intake remains high and the patient receives an optimal amount of oxygen directly from the reservoir.

This capability makes the non-rebreather mask ideal for emergencies or situations where a patient requires immediate and concentrated oxygen therapy. In contrast, other options like nasal cannulas and simple face masks deliver lower concentrations of oxygen, and venturi masks are designed to deliver a precise concentration of oxygen but not necessarily higher amounts compared to what non-rebreather masks offer. By selectively allowing higher concentrations to flow effectively, the non-rebreather mask supports the physiological needs of patients with severe respiratory distress or conditions requiring aggressive oxygen therapy.