Peak pressure with normal plateau pressure

• Monitor will show a peak pressure >40 cm H₂O and a plateau pressure <30 cm H₂O
  
• Possible causes: secretions, bronchospasm, kinked tube
  
• Solution: suction, give bronchodilators, check tube

Peak pressure with plateau pressure

• Monitor will show a peak pressure >40 cm H₂O and a plateau pressure >30 cm H₂O
  
• Possible causes: pneumothorax, ARDS, atelectasis, pulmonary edema, ETT in main bronchus
  
• Solution: treat the cause. Also try to pressures by V_T by 1–2 ml/kg IBW

Plateau pressure

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