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Updated: Apr 21, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
[Oxygen therapy in acute medicine]
Michael Bleiker1, Maurice Roeder2,3
1Klinik für Pneumologie, Universitätsspital Zürich, Zürich.
Introduction:
Oxygen therapy is a cornerstone of acute medical care but requires careful indication and monitoring. This mini-review outlines historical aspects, physiological principles, and the risks associated with hypoxemia and hyperoxia. Current target ranges for oxygen saturation are presented, including patient-specific considerations in those at risk of hypercapnia. Emphasis is placed on conservative oxygen administration. Common oxygen delivery systems and their role in acute care settings are also reviewed.
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