Figure 3From: Bench-to-bedside review: Adjuncts to mechanical ventilation in patients with acute lung injuryRecommendations concerning endotracheal suctioning in patients with severe acute respiratory distress syndrome. FIO2, inspiratory fraction of oxygen; I/E ratio, inspiratory to expiratory ratio; PEEP, positive end-expiratory pressure; RR, respiratory rate; TV, tidal volume.Back to article page