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Efciency of diferent fows for apneic oxygenation when using high fow nasal oxygen application – a technical simulation

Preoxygenation and application of apneic oxygenation are standard to prevent patients from desaturation e.g. during emergency intubation. The time before desaturation occurs can be prolonged by applying high fow oxygen into the airway. Aim of this study was to scientifcally assess the fow that is necessary to avoid nitrogen entering the airway of a manikin model during application of pure oxygen via high fow nasal oxygen. |