Provide a valuable resource to your clients or customers by linking to this resource page. Just place the following link on your website.
A high-flow nasal cannula is a respiratory support device that delivers warmed, humidified oxygen through soft prongs in the nose. It can deliver higher flow rates than standard nasal cannulas. The system can help improve oxygen delivery and reduce the effort needed to breathe in selected patients. It is used in hospitals, emergency departments, intensive care units, and some transport settings.
read more about highflow nasal cannula ...The system blends air and oxygen, warms and humidifies the gas, then sends it through wide-bore tubing to the nasal cannula. The flow can help wash out carbon dioxide from the upper airway and support breathing comfort. Oxygen concentration and flow rate are set by trained clinicians. The patient should be monitored because oxygen needs and breathing status can change quickly.
A high-flow nasal cannula can be used for patients with low oxygen levels or increased breathing effort who do not need immediate invasive ventilation. It is used for conditions such as pneumonia, bronchiolitis, respiratory failure, post-extubation support, or selected heart and lung problems. It can also be used when standard oxygen therapy is not enough. The care team decides whether it fits the patient's breathing pattern and risk level.
High-flow nasal cannula therapy can be more comfortable than some mask-based oxygen devices because patients can often talk and drink with guidance. Heated humidification can reduce dryness from high gas flow. It does not replace a ventilator when a patient cannot protect the airway or breathe well enough. Worsening breathing, confusion, exhaustion, or falling oxygen levels need urgent reassessment.
Staff should check flow rate, oxygen concentration, humidifier temperature, water level, tubing connection, cannula fit, and skin pressure points. Condensation in tubing should be managed according to device instructions. The nose, cheeks, and ears should be checked for irritation. Patients should tell staff if breathing feels worse, the cannula shifts, or the gas feels too hot or too dry.
No. A high-flow nasal cannula delivers warmed, humidified gas at higher flow rates than a standard nasal cannula. It also lets clinicians set oxygen concentration more precisely.
Some patients can eat or drink while using it, but this depends on breathing status, aspiration risk, and care team guidance. Staff may adjust support or swallowing precautions when needed.
No. It can support breathing in selected patients, but it does not take over breathing like invasive mechanical ventilation. Patients who worsen may need a different level of respiratory support.
High gas flow can dry and irritate the nose and airway. Warming and humidifying the gas improves comfort and helps protect airway moisture.
High-Flow Nasal Cannula. StatPearls, NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK526071/. Date Accessed May 27, 2026.
Nasal Cannula: Oxygen, Flow Rate, Benefits & How To Use. Cleveland Clinic. https://my.clevelandclinic.org/health/treatments/25187-nasal-cannula. Date Accessed May 27, 2026.
Chapter 11 Oxygen Therapy. Nursing Skills, NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK593208/. Date Accessed May 27, 2026.
High-Flow Nasal Cannula Oxygen Therapy in Adults. Journal of Intensive Care. https://link.springer.com/article/10.1186/s40560-015-0084-5. Date Accessed May 27, 2026.
The Role for High Flow Nasal Cannula as a Respiratory Support Strategy in Adults: A Clinical Practice Guideline. PubMed Central. https://pmc.ncbi.nlm.nih.gov/articles/PMC7670292/. Date Accessed May 27, 2026.