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| {{CMG}}
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| '''Associate Editor-In-Chief:''' {{CZ}}
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| {{Editor Help}}
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| [[Image:Mitralinsuff TEE.jpg|right|thumb|400px|transesophageal echocardiogram of mitral valve prolapse]]
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| The [[echocardiogram]] is commonly used to confirm the diagnosis of mitral regurgitation. Color doppler flow on the transthoracic echocardiogram (TTE) will reveal a jet of blood flowing from the left ventricle into the left atrium during ventricular [[systole]].
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| Because of the inability in getting accurate images of the left atrium and the pulmonary veins on the transthoracic echocardiogram, a [[transesophageal echocardiogram]] may be necessary to determine the severity of the mitral regurgitation in some cases.
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| Factors that suggest severe mitral regurgitation on echocardiography include systolic reversal of flow in the pulmonary veins and filling of the entire left atrial cavity by the regurgitant jet of MR.
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| |[[Image:Mitral Regurgitation.jpg|thumb|350px|left|Flail Posterior Mitral Leaflet
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| M Mode]]
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| |}
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