www.nlm.nih.gov/medlineplus/ency/article/000176.htm Mitral Regurgitation www.nlm.nih.gov/medlineplus/ency/article/000176.htm U.S. National Institutes of Health U.S. National Institutes of Health Mitral regurgitation Full article >>> Mitral Regurgitation "Mitral regurgitation - chronic" Mitral regurgitation http://www.nlm.nih.gov/medlineplus/ency/article/000176.htm Mitral Regurgitation http://www.nlm.nih.gov/medlineplus/ency/â¦ www.nlm.nih.gov/medlineplus/ency/article/000176.htm Full article >>> U.S. National Institutes of Health Mitral Regurgitation mitral regurgitation Mitral regurgitation www.nlm.nih.gov/medlineplus/ency/article/000176.htm Mitral valve regurgitation Full article >>> MedlinePlus: Chronic Mitral Regurgitation U.S. National Institutes of Health U.S. National Institutes of Health http://www.nlm.nih.gov/medlineplus/ency/article/000176.htm Mitral valve regurgitation