It helps differentiate the cause of chest pain between High output cardiac failure and cardiac causes in ESRD patients on Hemodialysis with AV-fistula. Where the formal will improve while eliciting the sign and latter would not.
Nicoladoni–Branham sign
Bastian–Bruns sign
Crichton-Browne sign
Froment's sign
Mallet-Guy sign
Rovsing's sign
Hannington-Kiff sign
Hoover's sign 