Ranson's Criteria for Acute Pancreatitis Severity

Estimates severity and mortality risk in acute pancreatitis using clinical data collected on admission and 48 hours later.

Age > 55 years old?

White Blood Cell (WBC) count > 16,000 /µL?

Blood Glucose > 200 mg/dL (11.1 mmol/L)?

Serum LDH > 350 U/L?

AST (SGOT) > 250 U/L?

At 48 Hours: Hematocrit fall > 10%?

At 48 Hours: Blood Urea Nitrogen (BUN) rise > 5 mg/dL?

At 48 Hours: Serum Calcium < 8.0 mg/dL?

At 48 Hours: Arterial Oxygen (PaO2) < 60 mmHg?

At 48 Hours: Base Deficit > 4 mEq/L?

At 48 Hours: Estimated fluid sequestration > 6 Liters?

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