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Gastroenterology

BISAP Score Calculator

Bedside Index for Severity in Acute Pancreatitis

Calculate BISAP

Clinical use

Use this calculator for bedside index for severity in acute pancreatitis in thegastroenterology workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Score ≥3 = high risk for mortality and organ failure. Simpler than Ranson — uses only admission data. Validated for predicting mortality, ICU admission, and length of stay.

Required inputs

  • BUN Greater Than 25
  • Impaired Mental Status
  • Sirs Present
  • Age Over 60
  • Pleural Effusion

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

  • Wu BU et al. Gut 2008;57:1698-1703

Frequently asked questions

What is the BISAP Score?

BISAP Score is a clinical calculator used for Bedside Index for Severity in Acute Pancreatitis.

How do I interpret the BISAP Score?

Score ≥3 = high risk for mortality and organ failure. Simpler than Ranson — uses only admission data. Validated for predicting mortality, ICU admission, and length of stay.

What inputs are required for the BISAP Score?

Required inputs include BUN Greater Than 25, Impaired Mental Status, Sirs Present, Age Over 60, Pleural Effusion.

What is the evidence behind the BISAP Score?

The BISAP Score page cites Wu BU et al. Gut 2008;57:1698-1703.

Related Gastroenterology Calculators

Ranson Criteria

Pancreatitis severity and mortality

Glasgow-Blatchford Bleeding Score

Upper GI bleed risk stratification and need for intervention

Rockall Score

Upper GI bleed mortality and rebleed risk prediction

AIMS65 Score

Upper GI bleed in-hospital mortality prediction (bedside)

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