Murray Score for Acute Lung Injury
Stratifies severity of acute lung injury, and is also used for ECMO patient selection.
IMPORTANT
Tips for COVID-19: Use to determine ECMO. Standard score for determining when ECMO indicated. Used in CESAR trial, a pivotal RCT in ECMO.
INSTRUCTIONS
Use in patients with severe hypoxemic respiratory failure from acute respiratory distress syndrome (ARDS). May be used with other clinical factors to help select patients for extracorporeal membrane oxygenation (ECMO).
When to Use
Pearls/Pitfalls
Why Use
Unknown
None
1 quadrant
2 quadrants
3 quadrants
4 quadrants
Unknown
≥300
225-299
175-224
100-174
<100
Unknown
≤5
6–8
9–11
12–14
≥15
Unknown
≥80
60–79
40–59
20–39
≤19
Confirmed positive
Suspected
Unlikely
Confirmed negative
Result:
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