STAT MRCP
if negative, STAT HIDA scan

If you do an ultrasound, and you see a stone => done!
But you don't see a stone, then HIDA scan helps detect cholecystitis

Ductal dilation: dilation of the pancreatic duct
Dx of ductal dilation: ultrasound
Cause of ductal dilation: http://radiopaedia.org/articles/bile-duct-dilatation-differential

MRCP is an MRI shows soft tissues, biliary tract system, pancreatic system.
HIDA scan is radioactive tracer to track bile flow.

~Wonder Me~


See more:  http://www.hopkinsmedicine.org/gastroenterology_hepatology/_pdfs/pancreas_biliary_tract/chronic_pancreatitis.pdf 
http://radiopaedia.org/articles/bile-duct-dilatation-differential