Fig. 1From: Lung ultrasound score to determine the effect of fraction inspired oxygen during alveolar recruitment on absorption atelectasis in laparoscopic surgery: a randomized controlled trialExperimental protocol during general anesthesia. LUSS, lung ultrasound score; ABGA, arterial blood gas analysis; US, ultrasound; RM, recruitment maneuver; PACU, post-anesthesia care unitBack to article page