bruit de cuir neuf

bru·it de cuir neuf

the sound of new leather (also bruit de craquement); a creaking pericardial friction sound heard mainly in chronic pericarditis.
Farlex Partner Medical Dictionary © Farlex 2012

bruit de cuir neuf

A retired French medical lexical import for a creaking sound of new leather (cuir neuf) due to pericardial or pleural friction, which is heard by auscultation; it is covered by “friction rub” in the working medical parlance.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.