1. Nuclear medicine hepatobiliary imaging (cholescintigraphy)
Kari Hopfer, DO, Harvey Ziessman, MD 
Gastrointestinal Endoscopy 
Volume 74, Issue 2, Pages (August 2011)
DOI: /j.gie
Copyright © 2011 American Society for Gastrointestinal Endoscopy Terms and Conditions

2. Figure 1
Morphine infusion demonstrates gallbladder filling and excludes acute cholecystitis.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2011 American Society for Gastrointestinal Endoscopy Terms and Conditions

3. Figure 2
High-grade biliary obstruction. Image acquired at 2 hours shows good liver uptake but no biliary excretion. This is unchanged from the 60-minute image.
Gastrointestinal Endoscopy  , DOI: ( /j.gie )
Copyright © 2011 American Society for Gastrointestinal Endoscopy Terms and Conditions