Fig. 2From: Effects of intraoperative individualized PEEP on postoperative atelectasis in obese patients: study protocol for a prospective randomized controlled trialThe ventilator-driven alveolar recruitment maneuver protocol. Ppeak, peak airway pressure; Pplat, plateau airway pressure; PEEP, positive end-expiratory pressure; VT, tidal volume normalized for adjusted body weight; I:E, ratio between inspiratory and expiratory time; RR, respiratory rateBack to article page