Ranson's criteria
At presentation,
"LEGAL"
- Leucocytes >16000
- Enzyme AST >250
- Glucose >200
- Age >55
- LDH >350
Within 48 hours,
"C.HOBBS"
- Calcium < 8mg/dL
- Hematocrit fall of >10%
- PaO2 < 60 mmHg
- Base deficit > 4 mmol/l
- BUN rise > 5
- (Fluid) Sequestration > 6 litres
Ranson's criteria is used to predict the severity of acute pancreatitis. It is classified as severe when 3 or more factors are present.
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Did you know?
 Contrast enhanced CT is indicated if there is a diagnostic uncertainity and in severe acute pancreatitis to distinguish interstitial from necrotising pancreatitis. Balthazar criteria may be used to stage pancreatitis detected on CT scan. |
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Submitted by Nishanth_koda on Fri, 15/07/2011 - 20:18.
Hi dan,
I have added the criteria for assessment within 48 hours.
Was a 2 marks que for exam...there is more to this though. whats is covered by mnemonic is the criteria at time of admission.
At 48hrs, we check base deficit, S. Ca, Hematocrit, Pao2, Fluid loss and BUN change.