Which type of mask is used for delivering high concentrations of oxygen?

The non-rebreather mask is specifically designed for delivering high concentrations of oxygen to patients who are critically ill or in need of immediate respiratory support. This type of mask has a reservoir bag that allows the patient to inhale oxygen at a higher concentration than what is typically available in ambient air.

The design includes one-way valves that prevent exhaled air from entering the reservoir bag, ensuring that the patient receives a continuous supply of oxygen with minimal dilution from room air. This feature is particularly beneficial in emergency situations, such as when a patient is experiencing severe respiratory distress or hypoxia, as it allows for the quick administration of 60-100% oxygen.

In contrast, other options such as the simple face mask, nasal cannula, and Venturi mask deliver oxygen at lower concentrations and are suited for different clinical situations. The simple face mask can provide higher flow rates than a nasal cannula, but it doesn’t achieve the same high concentrations as a non-rebreather mask. A nasal cannula is generally used for lower concentrations of supplemental oxygen, typically 24-40%. The Venturi mask, on the other hand, provides precise control over the oxygen concentration delivered but is typically used in patients who require a specific and stable concentration of oxygen rather than