Fig. 3From: Effect of driving pressure on early postoperative lung gas distribution in supratentorial craniotomy: a randomized controlled trialRepresentative lung ultrasonography images at different time pointsThe first group is the control group, and the second group is the titration group. (A) Preinduction. (B) Immediately after extubation. (C) One hour after extubation. At least three hyperechoic B-lines can be seen originating from the pleural line in the control group either immediately or 1Â h after extubationBack to article page