Reference

Peak Inspiratory Pressure Thresholds	Complications
20 cmH₂o	Lower esophageal sphincter (LES) opening pressure. ^1,2
20 cmH₂o	Gastric insufflation occurs. ³
30 cmH₂o	Onset of lung injury ^4,5
40 cmH₂0	Barotrauma, interstitial edema, and inflammation ⁶
57-62 cmH₂0	Pneumomediastinum and pneumothorax ⁷

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