39. Speckle tracking echocardiography in patients with severe aortic stenosis and preserved ejection fraction undergoing aortic valve replacement von Abdelshafy, Mohamad, Mohamed, Alaa A., Alsaileek, Ahmad, Bukamseen, Maryam, Estacio, Edna G., Alshayeb, Nada, Warsame, Tahlil, Omran, Ahmad S.

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