How does the presence of gallbladder sludge vs stones on POCUS impact your suspicion for gallbladder disease as a cause of abdominal pain?  

With all point-of-care ultrasound, so much depends on your pre-test probability before you acquire the image. If you are simply trying to identify biliary colic in a patient with a good history of the disease, then the presence of either sludge or stones is quite an effective test with bedside provi...