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. 2018 Feb 22;19(2):403–411. doi: 10.5811/westjem.2017.12.34699

Figure 4.

Figure 4

Hemoglobin desaturation time (initial FaO2 = 0.87). Adapted from Patel and Nouraei (2015). %SpO2 vs. time of apnea for various types of patients. FaO2, alveolar oxygenation fraction; SpO2, oxygen saturation