Acute epigastric pain, suspected pancreatitis
Recommended: CT Abdomen with IV contrast at 48-72 hours (if severe) is the preferred imaging study for acute epigastric pain, suspected pancreatitis. Diagnosis is clinical + lipase.
Recommended study
CT Abdomen with IV contrast at 48-72 hours (if severe)
Diagnosis is clinical + lipase. Early CT (< 48h) often underestimates severity. CT at 48-72h evaluates for necrosis and complications. RUQ ultrasound at admission for gallstones.
If the default doesn't apply
Gallstone etiology assessment
US
RUQ Ultrasound on admission
No contrast
Suspected biliary obstruction
MRI
MRCP
No contrast