Fig. 3From: Effects of ultrasound-guided alveolar recruitment manoeuvres compared with sustained inflation or no recruitment manoeuvres on atelectasis in laparoscopic gynaecological surgery as assessed by ultrasonography: a randomized clinical trialLung ultrasound images of one representative patient in the lateral chest wall at different time points. T0: immediately before induction; T1: immediately after induction; T2: immediately after the end of surgery; T3: 30Â min after tracheal extubation; C group: control group; SI group: sustained inflation recruitment manoeuvres group; UD group: ultrasound-guided recruitment manoeuvres groupBack to article page