主动脉粥样斑块可以自然破溃或在主动脉内插管时破溃。破溃脱落的粥样物质、血栓以及斑块溃疡面上阵阵析出的胆固醇结晶，进入血循环后，可以阻塞体循环内任何一个器官的动脉。只有下肢疼痛、网状紫兰斑或兰趾综合征为栓塞的特征，其他受害器官的诊断常被漏诊。经食道超声心动图能明确诊断主动脉内粥样斑块溃疡和可移动性血栓，供取舍抗凝药与溶栓药时参考。 Aortic plaque can rupture naturally or rupture intubation in the aorta. Rupture of the atherosclerotic substances, thrombosis and plaque ulcers surface of the crystallization of cholesterol crystals, into the blood circulation, you can block the body’s circulation of any organ artery. Only the lower extremity pain, mesh purple orchid syndrome is the characteristic of embolism, the diagnosis of other victims often missed. Transesophageal echocardiography can clearly diagnose atherosclerotic plaque ulceration and mobility thrombosis, for the selection of anticoagulants and thrombolytic drugs reference.