马凡综合征病人见主动脉根部上部发生剥离，主动脉向上撕裂。破裂发生后的很短时间内，心包积血和心包填塞接踵而来。
This aortic dissection occurred just above the aortic root in a patient with Marfan's syndrome. The tear extends across the aorta. Hemopericardium with tamponade occurred within minutes of this event.