Mitral Regurgitation

Question 1

what does the mitral valve apparatus consist of

Answer 1

anterior and posterior leaflets, chordae tendineae, anterolateral and posteromedial papillary muscles, and mitral annulus

Question 2

what can damage the mitral valve apparatus

Answer 2

mechanical, infection, trauma, degenerative

Question 3

what is the most common cause of mitral regurgitation

Answer 3

rheumatoid heart disease,

Question 4

causes of mitral regurgitation

Answer 4

Rheumatoid heart disease (MOST COMMON CAUSE)

Infective endocarditis

Mitral valve prolapse

Papillary muscle rupture or dysfunction (secondary to IHD or cardiomyopathy)

Chordal rupture and floppy mitral valve associated with connective tissue disease (e.g. Ehlers-Danlos syndrome, Marfan’s syndrome)