What type of mask should be used for patients requiring high concentration oxygen intermittently?

A non-rebreather mask is specifically designed to deliver high concentrations of oxygen, making it the optimal choice for patients who require significant oxygen supplementation, especially intermittently. This type of mask features a reservoir bag that allows to store oxygen and includes one-way valves, which prevent the exhaled air from re-entering the bag. As a result, the patient inhales a high concentration of oxygen with minimal dilution from ambient air.

In situations where precise and high levels of oxygen are essential, such as in acute respiratory distress or severe hypoxia, the non-rebreather mask ensures that the patient receives a consistent supply of high-purity oxygen. It is important for healthcare providers to monitor the patient closely while using this mask to ensure proper oxygenation and to intervene as necessary.

In contrast, other options like the simple face mask or nasal cannula offer lower concentrations of oxygen, which may not meet the needs of such patients effectively. The Venturi mask, while providing variable oxygen concentrations depending on the adaptor used, is typically employed for controlled oxygen therapy rather than for immediate high-concentration needs. Consequently, the non-rebreather mask is the most suitable device for delivering high concentration oxygen intermittently.