An oxygen pulse is delivered to the user when inhalation is sensed as a negative fluctuation in pressure in the nasal cannula. Some oxygen concentrators are capable of delivering up to 10 liters ...

Capturing ROX index during the first 12 hours of high-flow nasal cannula therapy ... high-flow nasal cannula (HFNC) therapy to establish if the ROX index — SpO2/FiO2 to respiratory rate ratio ...

We compared two methods of delivering high-flow gas therapy by nasal cannula, applied immediately ... effort score from a study-specific bedside chart, on which the bedside nurse or respiratory ...