<prompt> Nicoldoni sign is also known asMurray signFrei signDarrier signBranham sign  <response>: Branham sign or Nicoladoni sign: This sign is elicited when aeriovenous fistula is suspected. A pressure on the aery proximal to the fistula will cause: a. Reduction in size of the swelling. b. Disappearance of bruit. c. Fall in pulse rate. d. Pulse pressure returns to normal. Reference : page 1193 SRBs manual of surgery 5th edition 