What is a positive Murphy's sign?
Similarly one may ask, what does it mean to have a positive Murphy's sign?
A positive Murphy's sign is seen in acute cholecystitis. It is elicited by firmly placing a hand at the costal margin in the right upper abdominal quadrant and asking the patient to breathe deeply. A similar manoeuvre in the left upper quadrant should not elicit discomfort.
Correspondingly, what is Murphy's sign?
Murphy's Sign. A Murphy sign is a “catch” in the breath elicited by gently pressing on the right upper quadrant and asking the patient to take a deep breath. From: Blumgart's Surgery of the Liver, Pancreas and Biliary Tract (Fifth Edition), 2012.
In the presence of Murphy's sign, diagnostic accuracy for acute cholecystitis was 80% dropping to 34% when the sign was negative. The positive predictive value of the test in elderly people was 0.58, with a sensitivity of 0.48 and a specificity of 0.79.