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Updated: Jun 6, 2026

Gastric Point of Care Ultrasound in Adults: Image Acquisition and Interpretation
Published on: September 22, 2023
Sonographic assessment of gallbladder volume in normal cats
Dominique G Penninck1, Jennifer O'Sullivan Brisson, Cynthia R L Webster
1Department of Clinical Sciences, Tufts Cumming School of Veterinary Medicine, North Grafton, MA 01536, USA. dominique.penninck@tufts.edu
Abstract:
We quantified gallbladder volume in 30 clinically healthy, fasted, cats, using an ellipsoid formula. All cats had a complete blood count and serum chemistry profile performed. Fasting times before sonography ranged from 12 to 16 h. The median gallbladder volume was 2.42 ml, with a range of 0.84-4.50 ml. The mean gallbladder volume was 2.41 ml. This reference range will assist clinicians when evaluating cats with hepatobiliary disease or suspected extrahepatic biliary obstruction.
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