Improved survival following ward-based non-invasive pressure support for severe hypoxia in a cohort of frail patients with COVID-19: retrospective analysis from a UK teaching hospital
Since the outbreak of COVID-19 in China in December 2019, a pandemic has rapidly developed on a scale that has overwhelmed health services in a number of countries.COVID-19 has the potential to lead to severe hypoxia; this is usually the cause of death if it occurs.In a substantial number of patients, adequate arterial oxygenation cannot be achieve