Woman with right upper quadrant pain Brendan Lally, MD, Josh Greenstein, MD, Jeremy Neuman, MD, Barry J. Hahn, MD  Annals of Emergency Medicine  Volume 70, Issue 2, Pages e29-e30 (August 2017) DOI: 10.1016/j.annemergmed.2017.03.017 Copyright © 2017 American College of Emergency Physicians Terms and Conditions

Figure Ultrasonographic image of the gallbladder fossa obtained with a 5-MHz curved array transducer demonstrates homogeneous echoes filling the gallbladder lumen (arrow). The echogenicity and appearance mimic that of the adjacent liver parenchyma (asterisk). Annals of Emergency Medicine 2017 70, e29-e30DOI: (10.1016/j.annemergmed.2017.03.017) Copyright © 2017 American College of Emergency Physicians Terms and Conditions