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Mitral regurgitation, also known as mitral insufficiency or mitral incompetence, is the backward flow of blood from the left ventricle, through the mitral valve, and into the left atrium, when the left ventricle contracts, resulting in a systolic murmur radiating to the left armpit.
Mitral disease can be classified using Carpentier's classification which is based on the leaflet motion. Type I pertains to normal leaflet motion. Whereas, disease of the valve is categorized to primary mitral regurgitation or secondary mitral regurgitation based on the regurgitant etiology.
Mitral stenosis with NYHA functional class II-IV symptoms; Mitral regurgitation with NYHA functional class III-IV symptoms; Aortic and/or mitral valve disease resulting in severe pulmonary hypertension (pulmonary pressure greater than 75% of systemic pressures) Aortic and/or mitral valve disease with severe LV dysfunction (EF less than 0.40)
Mitral valve prolapse classification. Diagnosis of mitral valve prolapse is based on modern echocardiographic techniques which can pinpoint abnormal leaflet thickening and other related pathology. Echocardiography is the most useful method of diagnosing a prolapsed mitral valve. Two- and three-dimensional echocardiography is particularly ...
One may hear it at the left lower sternal border. A palpable S2 in the second left intercostal space correlates with pulmonary hypertension due to mitral stenosis. The cooing dove murmur is a cardiac murmur with a musical quality (high pitched). Associated with aortic valve regurgitation (or mitral regurgitation before rupture of chordae).
The most used system to classify mitral valve regurgitation is Carpentier's classification, which separates mitral regurgitation into three types, depending on the leaflet motion in relation to the mitral annular plane: [citation needed] Type I: the leaflets are moving normally; Type II: leaflet motion is excessive
During diastole, the mitral valve opens and lets blood fill into the ventricle. If the mitral valve doesn’t open enough, it gets harder to fill the left ventricle, called mitral valve stenosis. Let’s start with mitral valve regurgitation - the leading cause of mitral valve regurgitation in the United States and the most common of all ...
The natural history of mitral stenosis secondary to rheumatic fever (the most common cause) is an asymptomatic latent phase following the initial episode of rheumatic fever. This latent period lasts an average of 16.3 ± 5.2 years. Once symptoms of mitral stenosis begin to develop, progression to severe disability takes 9.2 ± 4.3 years.
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