Abstract Background Acute hypoxemic respiratory failure is one of the leading causes of intensive care unit admission and is associated with high mortality. Noninvasive oxygenation strategies such as high-flow nasal cannula. standard oxygen therapy. and noninvasive ventilation (delivered by either face mask or helmet interface) are widely available interventions applied in these patie... https://www.roneverhart.com/33-14-50R24-HD878-R-T-Special/