Rivero-Carvallo effect

Riv·er·o-Car·val·lo ef·fect

(ri-ver'ō kar-vahl'ō),
inspiratory increase in the systolic murmur of tricuspid insufficiency; the characteristic distinguishing tricuspid insufficiency from mitral insufficiency.

Rivero-Carvallo,

José Manuel, Mexican cardiologist, 1905–.
Carvallo sign - an increase in the intensity of the pansystolic murmur of tricuspid regurgitation during or at the end of inspiration distinguishes tricuspid from mitral involvement.
Rivero-Carvallo effect - inspiratory increase in the systolic murmur of tricuspid insufficiency.