Modified Marshall Score

A definition of organ failure in acute pancreatitis

The global unit selector only affects unanswered questions
1.Respiratory status (PaO₂:FiO₂)
2.Renal status (serum creatinine)
3.Cardiovascular (systolic blood pressure, mmHg)
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1. Respiratory status (PaO₂:FiO₂)

More Information

For non-ventilated patients, the FiO₂ can be estimated from below: Supplemental 02 (l/min) FiO₂ (%) Room air 21 2 25 4 30 6–8 40 9–10 50

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About this Calculator

In the 2012 revised Atlanta classification of acute pancreatitis, it is suggested that 3 organ systems should be assessed to define organ failure: respiratory, cardiovascular and renal. Using the modified Marshall scoring system, organ failure is defined as a score of ≥2 for one of these three organ systems.

The modified Marshall scoring system is noted to have the advantages of being simple to administer, having universal applicability across international centres as well as the ability to stratify disease severity easily and objectively


Marshall JC, Cook DJ, Christou NV, et al.

Multiple organ dysfunction score: a reliable descriptor of a complex clinical outcome.

Critical Care Medicine 1995, 23 (10): 1638-52

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