Pancreatitis can be classified by severity according to the Revised ATLANTA criteria 2012
Mild
- No organ failure
- No local complications
Moderate
- Transient organ failure (<48 hours)
Severe
- Local complications +/-
- Persistent organ failure
*Local complications include:
Acute peripancreatic fluid collection
Pancreatic pseudocyst
Acute necrotic collection
Pleural effusion