Systolic Anterior Motion of the Mitral Valve in the Presence of Annular Calcification.

Evan J Friend,Philip C Wiener,Kinnari S Murthy,Eric Peterson,Hussein Al-Sudani,Gregg S Pressman

Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography（2023）

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Abstract

Bulky MAC appears to contribute to dynamic LVOT obstruction when it accumulates in such a way that the mitral valve is displaced anteriorly toward the septum. However, other features are also associated with SAM in these patients, particularly a long AML. A combination of morphologic features and favorable hemodynamics may be needed for SAM to develop in patients with severe MAC.

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Key words

Mitral annular calcification,Mitral valve,Systolic anterior motion

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