Ranson’s Criteria

Age > 55 :
WBC > 16 on admit :
Glucose > 200 on admit :
LDH > 350 on admit :
AST > 250 on admit :
Hct drop > 10% within 48 hours :
Ca < 8 within 48 hours :
Arterial pO2 < 60 within 48 hours :
Base deficit (24-bicarb) > 4 within 48 hours :
Fluid needs > 6 liters within 48 hours :

The Ranson’s score is used to predict the severity of acute pancreatitis.


Formula :
1 point for each positive response.
Explanation of Result :

Score 0 to 2 = 2% mortality
Score 3 to 4 = 15% mortality
Score 5 to 6 = 40% mortality
Score 7 to 8 = 100% mortality

* Please verify all calculations prior to clinical use.

References