The application of an oxygen mask, Without supplemental oxygen, improved oxygenation in patients with severe COVID‑19 already treated with high‑flow nasal cannula
The application of an oxygen mask, Without supplemental oxygen, improved oxygenation in patients with severe COVID‑19 already treated with high‑flow nasal cannula Source: https://ccforum.biomedcentral.com/articles/10.1186/s13054-021-03738-8 Hypoxemia is the clinical hallmark of severe COVID-19infection, and guidelines suggest using high-flow nasal cannula (HFNC) when conventional oxygen therapy fails [1, 2]. In late 2020, we observed that oxygenation could…