Mitral valve regurgitation

Overview

Mitral valve regurgitation is a condition in which the heart's mitral valve doesn't close tightly. This allows blood to flow backward in the heart.

Symptoms

Symptoms include shortness of breath, fatigue, lightheadedness, and a rapid, fluttering heartbeat.

Treatments

Some people may not need treatment. More-severe cases may require medications, such as diuretics and blood thinners, or surgery.