Mitral Regurgitation

(Mitral Insufficiency)

Definition

The flow of blood pumped by the heart is controlled by one-way valves. These valves assure that blood moves in only one direction. Mitral regurgitation occurs when the heart's mitral valve leaks blood into the upper chamber from the lower chamber.If the amount of blood that leaks is severe, mitral regurgitation can be serious. The sooner it is treated, the better the outcome.
Mitral Valve Regurgitation
exh40237d 96472 1
Copyright © Nucleus Medical Media, Inc.

Causes

Mitral regurgitation may be caused by:
  • Mitral valve prolapse—Abnormal closure of the valve with protrusion of a leaflet tip backward into the left atrium, causing it to leak.
  • Infections that cause scarring of the heart valve, such as rheumatic fever or bacterial endocarditis .
  • Damage from a heart attack .
  • Several different types of congenital heart defects , which can affect mitral valve function.
  • Cardiomyopathies—Diseases that weaken the heart muscle and stretch the mitral valve.

Risk Factors

Factors that may increase your chance of developing mitral regurgitation include:

leave comments
0
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals



April 2015

A systematic review found that participants given chewing gum after abdominal surgery may have a faster return to normal for their digestive system. Unfortunately, the quality of trials is low and more research will need to be done before this simple solution is confirmed.

dot separator
previous editions

Early Peanut Consumption Associated with Lower Risk of Peanut Allergy in High Risk Children
March 2015

Breastfeeding May Decrease the Risk of Childhood Obesity
February 2015

Tonsillectomy May Reduce Number of Sore Throat Days in Children
February 2015

dashed separator

Advertisement

Our Free Newsletter
click here to see all of our uplifting newsletters »

 

Advertisement

Advertisement

DiggDeliciousNewsvineRedditStumbleTechnoratiFacebook