Evidence in ACTION: Foundations: High Flow Nasal Oxygen in Anesthesia

Presenter:

Dr. Brita Mittal, MD, FASA

Course Description:

Join Dr. Brita Mittal for a foundational, practice-focused exploration of High Flow Nasal Oxygen (HFNO) in anesthesia. This session explains the core mechanisms of HFNO—including flow dynamics, oxygen delivery, dead-space washout, mild positive airway pressure, and heated humidification—and connects these principles to intraoperative and perioperative decision-making.

Designed for anesthesiologists, CRNAs, and perioperative teams, the course emphasizes patient selection, safety considerations, and practical workflows. Participants will examine how HFNO can support monitored anesthesia care with spontaneous ventilation, enhance apneic oxygenation during airway management, and facilitate extubation and recovery in the post-anesthesia care unit.

Learning Objectives:

• Describe the mechanisms of High Flow Nasal Oxygen (HFNO).
• Identify patient factors that may indicate HFNO application.
• Describe the use of HFNO for monitored anesthesia care and spontaneous breathing applications.
• Describe the use of HFNO for apneic oxygenation and peri-intubation applications.
• Describe the use of HFNO for extubation and post-anesthesia care.

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