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Overview

Mitral regurgitation is a condition in which disease or injury has caused the heart's mitral valve to become leaky. The four heart valves function as one-way valves, allowing blood to be pumped forward and preventing blood from regurgitating backwards. When the mitral valve becomes leaky, blood may back up into the lungs, causing shortness of breath. An untreated leaky valve can lead to heart failure.

Normal blood flow in the heart

To better understand what happens in mitra...Read the full article