Mitral regurgitation

Etiology

  • Myxomatous degeneration (eg, mitral valve prolapse, Marfan syndrome)
  • Infective endocarditis
  • Subvalvular dysfunction (papillary muscle dysfunction or ruptured chordae tendinae)
  • Rheumatic heart disease
  • Dilated cardiomyopathy
  • Congenital cleft mitral valve
  • Left atrial myxoma (rare)

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Last updated: December 1, 2014