Skip to main content

Table 2 Clinical definition of acute respiratory distress syndrome and acute lung injury [76]

From: Science review: Mechanisms of ventilator-induced injury

Clinical feature Acute respiratory distress syndrome Acute lung injury
Timing Acute onset Same
Chest radiograph Bilateral infiltrates Same
Exclusion of alternative diagnosis Pulmonary artery wedge pressure ≤ 18 mmHg OR absence of clinical evidence for left atrial hypertension Same
Oxygenation PaO2 : FiO2 ratio ≤ 200 PaO2 : FiO2 ratio ≤ 300
  1. PaO2 : FiO2, ratio of arterial partial pressure for oxygen to the fraction of oxygen in the inspired air.