mitral regurgitation (redirected from Mitral valve regurgitation)

regurgitation /re·gur·gi·ta·tion/ (re-ger″jĭ-ta´shun)

1. flow in the opposite direction from normal.

2. vomiting.

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aortic regurgitation  (AR) backflow of blood from the aorta into the left ventricle due to insufficiency of the aortic semilunar valve.

mitral regurgitation  (MR) backflow of blood from the left ventricle into the left atrium due to insufficiency of the mitral valve.

pulmonic regurgitation  (PR) backflow of blood from the pulmonary artery into the right ventricle due to insufficiency of the pulmonic semilunar valve.

tricuspid regurgitation  (TR) the backflow of blood from the right ventricle into the right atrium due to insufficiency of the tricuspid valve.

valvular regurgitation  backflow of blood through the orifices of the heart valves due to imperfect closing of the valves.

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mitral regurgitation

n. Abbr. MR

See mitral insufficiency.

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mitral regurgitation,

a backflow of blood from the left ventricle into the left atrium in systole across a diseased mitral valve. The condition may result from congenital valve abnormalities, rheumatic fever, mitral valve prolapse, endocardial fibroelastosis, myocarditis, myocardiopathy, or dilation of the left ventricle as a result of severe anemia. Symptoms include dyspnea, fatigue, intolerance of exercise, systolic murmur, and heart palpitations. Congestive heart failure may ultimately occur. Treatment depends on the severity of the condition. Surgery may be necessary in cases of refractory congestive heart failure, progressive cardiomegaly, and pulmonary hypertension. Also called mitral insufficiency. See also valvular heart disease.

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mitral

shaped like a miter; pertaining to the mitral valve.

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mitral area

that area of the thoracic wall through which sounds of the mitral valve can best be auscultated; generally the lower one-third of the mid- to anterior left thorax.

mitral atresia-hypoplastic left heart syndrome

defects in the development of the mitral valve, left heart and aortic valve, which occur rarely in cats.

mitral complex

includes the leaflets, annulus, chordae tendineae and papillary muscles of the mitral valve, left atrium and left ventricular muscle wall.

mitral insufficiency

a functional incompetence resulting in regurgitation of blood from the left ventricle to the left atrium during systole or from the great vessels into the left atrium during diastole.

mitral regurgitation

see mitral insufficiency (above).

mitral valve

the left atrioventricular valve, the valve between the left atrium and the left ventricle of the heart; it is composed of two cusps, anterior and posterior. Called also the bicuspid valve.

mitral valve prolapse (MVP)

a condition in which some portion of the mitral valve is pushed back too far during ventricular contraction. Often a complication of mitral endocardiosis.

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mitral regurgitation

Chronic mitral valve regurgitation, mitral insufficiency Cardiology Backflow of blood from the left ventricle to the left atrium due to a defective mitral valve, which ↓ forward flow of blood and ↑ work by heart to pump more blood to compensate for inefficiency; acute MR may be due to valve dysfunction or injury post MI or infectious endocarditis, which may cause rupture of the valve, papillary muscle, or chordae tendineae–which anchor the valve cusps, resulting in valve leaflet prolapse into the atrium, leaving an opening for the backflow of blood; chronic MR is prolonged and progressive, and often associated with mitral valve prolapse, characterized by weakening and ballooning Etiology Rheumatic heart disease–thickening, rigidity, retraction of mitral valve leaflets; ASHD, HTN, left ventricular enlargement, connective tissue disorders–eg, Marfan syndrome, congenital defects, endocarditis, heart tumors, late syphilis, untreated acute MR. See Mitral valve.

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Patient discussion about Mitral valve regurgitation.

Q. what do you do with a broken heart? I HAD A ECHO DONE THIS WEEK AND CONCLUSION WAS: 1)SEVERE MIRTAL REGURGITATION WITH LEFT ATRIAL DILATATION 2)LOW NORMAL LV FUNCTION CHEST X RAY IMPRESSION WAS: 1)NORMAL SIZE HEART WITH PROMINENT LEFT HEART BORDER. 2)PROMINENT MARKINGS WITH PROMINENT CHANGES. 3)THE BONES ARE OSTEOPENIC. BLOOD TEST....CHEMISTRY B TYPE NATRIURETIC PEPTIDE HIGH 260

A. The left atrial dilatation is likely the cause of the elevated beta natriuretic peptide. A cardiologist should be able to talk with you about dealing with the mitral valve regurgitation.