Ranson's Criteria

Applies Ranson's admission and 48-hour criteria to grade acute pancreatitis severity and expected mortality, flagging patients who need intensive care.

What you enter

• Age > 55 years
• WBC > 16 ×10⁹/L
• Glucose > 200 mg/dL (11.1 mmol/L)
• LDH > 350 IU/L
• AST > 250 IU/L
• Hematocrit fall > 10%
• BUN rise > 5 mg/dL
• Calcium < 8 mg/dL
• PaO₂ < 60 mmHg
• Base deficit > 4 mEq/L
• Fluid sequestration > 6 L

Reference

Ranson JH et al., Surg Gynecol Obstet 1974

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Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.