 Sonographic Murphy sign

The Sonographic Murphy sign is an ultrasound finding used primarily in the diagnosis of acute cholecystitis, which is inflammation of the gallbladder, usually due to gallstones. During ultrasound examination of the gallbladder, the Sonographic Murphy sign is elicited by applying pressure with the ultrasound transducer over the gallbladder area. If the patient experiences pain or tenderness in response to this pressure, it is considered a positive Murphy sign.