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Uptodate Reference Title
Aortic root dilation
Aortic root dilation
The parasternal long axis view shows a greatly dilated aortic root (Ao), with a diameter of 6 cm; the etiology is aortoannular ectasia. In the Marfan syndrome this degree of dilation is considered an indication for prophylactic surgery.
RV: right ventricle; LV: left ventricle; LA: left atrium; rPA: right pulmonary artery.