Fig. 3
From: Overview of point-of-care abdominal ultrasound in emergency and critical care
Ultrasound images in an 88-year-old man who presented with shaking chills. The patient had a history of acute cholecystitis with percutaneous transhepatic gallbladder drainage. On physical examination, he had no abdominal or costovertebral angel tenderness. Bedside ultrasound showed a normal gallbladder (a, arrow) and pelvic dilatation in the right kidney (b, arrowheads). A subsequent computed tomography scan revealed the stone at the right ureterovesical junction. A complicated urinary tract infection was strongly suspected, and emergent urological consultation was ordered. He fell into shock soon after the initial evaluation