Marfan syndrome is an autosomal disorder resulting in production of weak elastic tissue due to detect in synthesizing fibrillin (missense mutation). Cardiovascular abnormalities dominate. Dilation of the ascending aorta may progress to aortic dissection and/ or AV regurgitation. Mitral Valve Prolapse (MVP) is the most common valvular defect and is often associated with conduction defects causing sudden death. Skeletal defects include hypermobile joints, eunuchoid proportions (lower body length>upper body length, arm span>height), and arachnodactyly (spider hands). Dislocation of the lens is another finding, because the suspensory ligament holding the lens is composed of elastic tissue.