Ranson criteria
Ranson criteria
Ranson criteria (pronounced: RAN-sun kri-TEER-ee-uh) is a clinical prediction rule used to predict the severity and prognosis of acute pancreatitis. It was developed by Dr. John Ranson and his colleagues in 1974.
Etymology
The term is named after Dr. John H. Ranson, an American gastroenterologist who first described these criteria in 1974.
Definition
The Ranson criteria are a set of indicators used to assess the severity of acute pancreatitis. They are used to predict the risk of morbidity and mortality from the condition. The criteria include five factors assessed at admission and six factors assessed at 48 hours after admission.
Criteria
The Ranson criteria include the following:
At admission
- Age over 55 years
- White blood cell count over 16,000 cells/mm³
- Blood glucose level over 200 mg/dL
- Serum LDH over 350 IU/L
- Serum AST over 250 U/L
At 48 hours
- Hematocrit fall > 10%
- BUN increase > 5 mg/dL
- Serum calcium < 8 mg/dL
- Arterial PO2 < 60 mmHg
- Base deficit > 4 mEq/L
- Estimated fluid sequestration > 6 L
Related Terms
See Also
References
External links
- Medical encyclopedia article on Ranson criteria
- Wikipedia's article - Ranson criteria
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