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The painful reaction or catch of breathe occurs when the probe touched the gallbladder (5). Then the test is called a positive sonographic Murphy’s sign, which occurs in acute cholecystitis. The test may become negative if the inflammation has caused the necrosis of the walls of the gallbladder (8).
A negative Murphy’s sign means that a person can breathe comfortably during this hand pressure, which may point to a different health problem, such as ascending cholangitis.
Sonographic Murphy sign is defined as maximal abdominal tenderness from the pressure of the ultrasound probe over the visualized gallbladder 1,2. It is a sign of local inflammation around the gallbladder along with right upper quadrant pain, tenderness, and/or a mass 2.
A Sonographic Murphy sign is a finding when performing diagnostic medical sonography. It is different from the Murphy sign found on physical examination, but both signs are associated with cholecystitis [ 1 ] When the sonographer presses directly over the gallbladder , and the patient expresses pain , more than when the sonographer presses ...
Sonographic Murphy's sign (See Video 7 above: Sonographic Murphy’s sign): Positive when maximal tenderness is directly over the gallbladder. The sensitivity of the sonographic Murphy’s sign is reported from 75-86% with a positive predictive value of 92% when combined with the finding of gallstones. 12-14.
This correlates with a sensitivity of 60 percent if a sonographic Murphy’s sign was reported (pain when the ultrasound probe was passed over the gallbladder) and a sensitivity of 54 percent...
The sonographic Murphy sign is negative in as many as 70% of patients with AC. In cases of perforated GB, the wall of the GB is not well delineated, and a localized interruption of the wall...
During an ultrasound, the technician can also perform a "sonographic Murphy's sign." During this maneuver, the ultrasound transducer is pressed on the gallbladder while the patient takes a deep breath. If positive, the person will experience pain when the gallbladder is pressed down upon.
If the patient blocks the deep inspiration because of pain in the right hypochondrium, we say that Murphy’s sign is positive. If none of the maneuvers are painful, we say that Murphy’s sign is negative.
A sonographic Murphy's sign is performed using ultrasound guidance to ensure that the gallbladder is palpated. This radiographic sign is far more accurate than the bedside sign. The predictive value of a positive sign was 72.5%, while the predictive value of a negative sign was 90.5%.