duroziez's sign duroziez's sign duroziez's sign is a sign of aortic insufficiency. it consists of an audible diastolic murmur which can be heard over the femoral artery when it is compressed with the bell of a stethoscope. duroziez's signother namesalvarenga-duroziez signfemoral arterydifferential diagnosisaortic insufficiency it is named for french physician paul louis duroziez who published its description in 1861, even though it was first described by portuguese physician pedro francisco da costa alvarenga in 1855; for this reason it is alternatively known as the alvarenga-duroziez sign.