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Calculator: Ranson criteria for pancreatitis prognosis


Calculator: Ranson criteria for pancreatitis prognosis

 
Criteria present at 0 hours:

Age >55 years old (1 point)

WBC >16,000/microL (1 point)

Glucose >200 mg/dL [>11.1 mmol/L] (1 point)

LDH >350 international units/L [>5.83 microkat/L] (1 point)

AST >250 international units/L [>4.17 microkat/L] (1 point)
Criteria present at 48 hours:

Hematocrit fall of 10% or greater (1 point)

BUN rise of 5 mg/dL [1.8 mmol/L] or more despite fluids (1 point)

Serum calcium <8 mg/dL [<2 mmol/L] (1 point)

pO2 <60 mmHg [<8 kPa] (1 point)

Base deficit >4 mEq/L [>4 mmol/L] (1 point)

Fluid sequestration >6000 mL (1 point)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

Ranson score interpretation

 
0 to 2 points: Mortality 0 to 3%
3 to 5 points: Mortality 11 to 15%
6 to 11 points: Mortality ≥40%

 
Notes
  • Mortality increases with an increasing score.
  • Limited information is available regarding the performance of prognostic scoring systems for acute pancreatitis in children, and the clinical utility in children is questionable.[2]
  • Please refer to appropriate UpToDate topic reviews for further information.
  • WBC: white blood cell; LDH: lactate dehydrogenase; AST: alanine aminotransferase; BUN: blood urea nitrogen; pO2: partial pressure of oxygen.

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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