ultrasound scan• Barium follow-through, gastroscopy, sigmoidoscopy, barium enema, abdominal ultrasound scan, and chest radiograph were all normal.• All patients had standard haematological and biochemical tests, and an upper abdominal ultrasound scan.• An ultrasound scanrevealed non-dilated ducts and suggestedacute cholecystitis.• An ultrasound scan was done, as already described to assessstonestatus and gallbladderemptying.• He's using ultrasound scanning to discover if ewes are pregnant.