Figure 1From: Pharyngeal oxygen administration increases the time to serious desaturation at intubation in acute lung injury: an experimental studyOutline of the experiment. The arrows above the horizontal line indicate measurements, whereas the arrows below the line indicate interventions. The two periods were randomized during which pharyngeal oxygen was or was not administered. Crs, compliance of the respiratory system; FiO2, fraction of inspired oxygen.Back to article page