How high can a high flow nasal cannula go？

A high-flow nasal cannula (HFNC) is a medical device used to deliver humidified and heated oxygen to patients who require respiratory support. The flow rate of a high-flow nasal cannula can vary, but typically it can deliver oxygen at a flow rate ranging from 20 to 60 liters per minute (L/min) or even higher in certain cases.

The specific flow rate used for a patient depends on several factors, including the patient’s condition, oxygenation needs, and the clinical judgment of the medical professionals involved. Higher flow rates are often used in situations where conventional oxygen therapy through a standard nasal cannula or mask might not provide sufficient oxygenation.

It’s important to note that using high-flow nasal cannula therapy at very high flow rates requires careful monitoring and consideration of the patient’s respiratory response. This type of therapy is commonly used in conditions like acute respiratory distress syndrome (ARDS), congestive heart failure, and other respiratory distress situations.

The appropriate flow rate for an individual patient should always be determined by a healthcare professional based on the patient’s specific medical needs and response to the therapy.