Mitral valve regurgitation happens when the mitral valve does not
close tightly enough after blood flows through the valve into the lower chamber
of the heart. The mitral valve always has a small opening in it. This opening
can let blood leak (regurgitate) back into the upper chamber of the
ByHealthwise Staff Primary Medical ReviewerRakesh K. Pai, MD, FACC - Cardiology, Electrophysiology Specialist Medical ReviewerJohn A. McPherson, MD, FACC, FSCAI - Cardiology
How this information was developed to help you make better health decisions.