Mitral Regurgitation Definition & Overview

Definition

Mitral regurgitation is the leaking of blood from the left ventricle across the mitral valve, and into the left atrium. The flow of blood pumped by the heart is controlled by one-way valves. These valves assure that blood moves in only one direction. When the mitral valve leaks, some of the blood that should be pumped into the body instead goes backward into the left atrium. If the amount of blood that leaks is severe, mitral regurgitation can be a serious condition that requires care from your doctor. The sooner it is treated, the more favorable the outcome. If you suspect you have this condition, contact your doctor immediately.

Function of the Mitral Valve in the Heart

Mitral Valve Regurgitation

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