Table 2 Lung injury score (Murray score)
From: The use of neutrophil elastase inhibitor in the treatment of acute lung injury after pneumonectomy
1. Chest roentgenogram score | ||
No alveolar consolidation | 0 | |
Alveolar consolidation confined to 1 quadrant | 1 | |
Alveolar consolidation confined to 2 quadrant | 2 | |
Alveolar consolidation confined to 3 quadrant | 3 | |
Alveolar consolidation in all 4 quadrant | 4 | |
2. Hypoxemia score | ||
PaO2/FiO2 | ≥300 | 0 |
PaO2/FiO2 | 225-299 | 1 |
PaO2/FiO2 | 175-224 | 2 |
PaO2/FiO2 | 100-174 | 3 |
PaO2/FiO2 | <100 | 4 |
3.PEEP score (when ventilated) | ||
PEEP | ≤5 cm H2O | 0 |
PEEP | 6-8 cm H2O | 1 |
PEEP | 9-11 cm H2O | 2 |
PEEP | 12-14 cm H2O | 3 |
PEEP | ≥15 cm H2O | 4 |
4. Respiratory system compliance score (when available) | ||
Compliance | ≥80 ml/cmH2O | 0 |
Compliance | 60-79 ml/cmH2O | 1 |
Compliance | 40-59 ml/cmH2O | 2 |
Compliance | 20-39 ml/cmH2O | 3 |
Compliance | ≤19 ml/cmH2O | 4 |
Score | ||
No lung injury | 0 | |
Mild to moderate lung injury | 0.1-2.5 | |
Severe lung injury (ARDS) | >2.5 | |