To Determine Diagnosis

Diagnosis established by 2 of:

  • Abdominal pain
  • Serum amylase and/or lipase >3x upper limit of normal
  • Characteristic findings from abdominal imaging

Serum Marker

  • Lipase (preferable)
  • Amylase
To Determine Aetiology

History & Examination

  • History of alcohol intake
  • Medication
  • Recent procedures

Laboratory Investigations

  • LFTs
  • Calcium
  • Triglycerides
  • Viral antibodies

Imaging Investigations

  • Abdominal ultrasound
  • To rule out microlithiasis if other investigations negative:
    • Endoscopic ultrasound - first line
    • MRCP
  • CT if persistent organ failure at 6-10 days
To Determine Severity / Prognosis

Scoring Sytstems

  • Atlanta Criteria
  • APACHE II Score
  • Glasgow's Score (at 48 hours)

Investigations

  • ABG
  • LDH
To Assess for Complications
  • CXR
  • ABG
  • Renal function tests