Fig. 1

a, b Chest X ray a during and b 1 day after cessation of humidified, high-flow nasal cannula oxygen therapy. There is subcutaneous emphysema (arrow) and localized pneumothorax (arrowhead)
a, b Chest X ray a during and b 1 day after cessation of humidified, high-flow nasal cannula oxygen therapy. There is subcutaneous emphysema (arrow) and localized pneumothorax (arrowhead)