GIGI/Hepatology

Ranson Criteria for Acute Pancreatitis Severity (Non-Gallstone / Alcoholic)

Predicts severity and mortality of acute pancreatitis using 5 admission criteria and 6 criteria assessed at 48 hours.

Admission: Age > 55 years

Admission: WBC > 16,000/µL

Admission: Blood glucose > 11.1 mmol/L (> 200 mg/dL)

Admission: Serum LDH > 350 IU/L

Admission: AST > 250 IU/L

48 h: Haematocrit fall > 10 percentage points

48 h: BUN rise > 1.8 mmol/L (> 5 mg/dL)

48 h: Serum calcium < 2.0 mmol/L (< 8 mg/dL)

48 h: PaO₂ < 60 mmHg

48 h: Base deficit > 4 mEq/L

48 h: Estimated fluid sequestration > 6 L

Ranson Score/ 11

Mild acute pancreatitis

< 1% mortality. Score 0–2: mild disease. Conservative management with IV fluids, analgesia, and NPO. Monitor closely for deterioration.

Reference: Ranson JH et al. Surg Gynecol Obstet 1974

Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: Ranson JH et al. Surg Gynecol Obstet 1974.

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