High-flow nasal cannulas (HFNCs) was one option we always had INSTEAD of intubation & Ventilation which severely damaged the lungs; April 2020; UChicago Medicine doctors see 'truly remarkable' success

by Paul Alexander

using ventilator alternatives HFNCs to treat COVID-19; NOT ventilator; the HFNCs are often combined with prone positioning, a technique where patients lay on their stomachs to aid breathing.

High-flow nasal cannulas, or HFNCs, are non-invasive nasal prongs that sit below the nostrils and blow large volumes of warm, humidified oxygen into the nose and lungs.