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JULY 5, 2021

A Further Comment on Catastrophic Sedation Errors: The Role of Hypoxia

René Miguel Gonzalez, MD

Your recent article, “Catastrophic Sedation Errors Can be Avoided by Using CO2 Monitoring and Following Guidelines” (2021;47[4]:1,18-24), made several excellent recommendations that can significantly reduce unnecessary morbidity and mortality resulting from sedation.

However, I would like to emphasize one critical point that was not emphasized in the article: the issue of hypoxia, particularly during upper endoscopy. Inadequate ventilation eventually