In this case, since it's the mitral valve, we call this mitral regurgitation.

在这种情况下，由于是二尖瓣，我们称之为二尖瓣反流。

If you have a mitral regurgitation, then again, your heart's going to have to work a lot harder to maintain proper profusion of your body with blood.

如果二尖瓣反流，那么，心脏将不得不更加努力地工作，以保持身体适当的血液灌注。