What is the typical oxygen flow rate range for a nasal cannula?

The typical oxygen flow rate range for a nasal cannula is 1 to 6 liters per minute. This range is appropriate because it allows for the delivery of supplemental oxygen in a way that is more comfortable for patients, enabling them to maintain their normal activities without feeling overwhelmed by excessive oxygen flow.

At flow rates above this range, particularly in the higher options, the risk increases for discomfort, irritation, and the creation of noise from gas escaping the cannula. Higher flow rates may also lead to effective oxygen delivery issues due to the potential for nasal obstruction or drying of the nasal passages. Thus, the 1 to 6 liters per minute range is considered optimal for ensuring patient comfort while providing adequate oxygenation.