What is the oxygen flow range for high flow oxygen systems?

High flow oxygen systems are designed to deliver a specific flow of oxygen that can meet a patient's inspiratory demand regardless of their respiratory rate and tidal volume. This allows for the delivery of a precise concentration of inspired oxygen, which is especially beneficial in managing patients with respiratory distress or failure.

The flow range for high flow oxygen systems typically starts from 6 L/min and can go up to 15 L/min, which is why this range is identified as the correct answer. At this flow rate, the system provides a greater volume of oxygen than what can be achieved with low flow systems, which are typically limited to 1-6 L/min.

Additionally, flow rates beyond this range, such as up to 20-25 L/min, can be possible with specific devices like high-flow nasal cannulas, but they are generally not categorized under standard high flow systems, which most commonly operate in the 6-15 L/min range. This distinction is important for understanding how oxygen delivery systems are classified based on their flow capabilities and the patient's needs.