Fig. 4.
Computed tomography scan of subject 4 shows highest (72%) increase in lung aeration following lung recruitment. The region of aerated and poorly aerated lung has been marked by tracing a continuous green line. Left column: pre-recruitment maneuver. Right column post-recruitment maneuver. Upper row: apical section. Middle row: hilum section. Lower row: basal section. [Color figure can be seen in the online version of this article, available at http://wileyonlinelibrary.com/journal/ppul]