ToolsCalculators
Blast lung injury severity score
Grades primary blast lung injury to guide ventilation.
Blast lung injury severity score
PaO2
mmHg
FiO2 (fraction)
0.21–1.0
Chest radiograph
Bronchopleural fistula
Complete the fields above to see the result.
When to use
- Grading confirmed primary blast lung injury to anticipate ARDS and guide ventilation.
Formula
Take the worst of: PaO2/FiO2 (>200 mild, 60–200 moderate, <60 severe), chest film (localised/diffuse/massive), and bronchopleural fistula (present raises to at least moderate).