• J Am Soc Echocardiogr · Oct 2005

    Case Reports

    Massive posterior mitral annular calcification causing dynamic left ventricular outflow tract obstruction: mechanism and management implications.

    • Poonam Puri, Radha Sarma, Enrique L Ostrzega, Padmini Varadarajan, and Ramdas G Pai.
    • Division of Cardiovascular Medicine, University of Southern California, Los Angeles, California 90033, USA.
    • J Am Soc Echocardiogr. 2005 Oct 1;18(10):1106.

    AbstractWe report a case of massive posterior mitral annular calcification causing severe systolic anterior motion of the anterior mitral leaflet and dynamic left ventricular outflow tract obstruction. Mechanism of genesis of systolic anterior motion by this unusual mechanism is illustrated. Importance of recognizing this mechanism and its implications for surgical therapy are discussed. Our patient also had liquefaction necrosis of mitral annular calcification causing its extension into left ventricular myocardium mimicking a tumor.

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