Table 3.

Clinical definition of AP in children 7

	Requires at least 2 of 3 criteria
Acute pancreatitis (AP)	1 Abdominal pain suggestive of, or compatible with AP (i.e., abdominal pain of acute onset, especially in the epigastric region)
	2 Serum amylase and/or lipase activity at least three times greater than the upper limit of normal (international units/liter)
	3 Imaging findings characteristic of, or compatible with AP (e.g., using US, CECT, EUS, MRI/MRCP)

US, transabdominal ultrasonography; CECT, contrast‐enhanced computerized tomography; EUS, endoscopic ultrasonography; MRI/MRCP, magnetic resonance imaging/magnetic resonance cholangiopancreatography.