Question: what is the difference between nasal cannula and high flow nasal cannula?
Answer: Heat and humidified high flow nasal cannula or as most call it, Hi Flow Nasal Cannula (HFNC), isn't just a standard nasal cannula cranked up to very high flow rates. It actually takes gas and can heat it to 37 o C with a 100% relative humidity and can deliver 0.21 – 1.00% fi02 at flow rates of up to 60 liters/min.