Does gallbladder sludge show up on ultrasound? Yes it does. Gallbladder sludge shows clearly on an abdominal ultrasound scan. You Might Also Like Can liver disease be detected on an abdominal ultrasound? 25/01/2022 What can an abdominal ultrasound Detect? 25/01/2022 Can you see gastritis on an ultrasound? 25/01/2022