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肺栓塞是一种常见病,易误诊、漏诊,病死率约为24％,如能及时得到诊治,可降至8％,预后明显改善,因此及时诊断肺栓塞并早期治疗是降低死亡率的关键。虽然现在对肺栓塞准确诊断尚依赖于综合性的检查方法,如超声、核素、螺旋CT、磁共振、肺动脉造影及血浆D-二聚体测定等,但超声作为第一线的筛选性的诊断手段,不仅是急性肺栓塞影像学诊断的重要部分,而且是急诊情况下最重要、最实用、最及时的诊断工具。联合采用各种超声技术对判断病因、观察血栓形状、评估血流动力学改变、随访治疗效果、评估预后有独到的作用。
Pulmonary embolism is a common disease that is easily misdiagnosed and missed. The case fatality rate is about 24%. If it can be diagnosed and treated in time, it can be reduced to 8% and the prognosis is obviously improved. Therefore, timely diagnosis and treatment of pulmonary embolism is the key to reduce mortality . Although the accurate diagnosis of pulmonary embolism now relies on comprehensive examination methods such as ultrasound, radionuclides, spiral CT, magnetic resonance, pulmonary angiography and plasma D-dimer assay, ultrasound as the first line of screening Diagnostic tools are not only an important part of the diagnostic imaging of acute pulmonary embolism, but also the most important, practical and timely diagnostic tool in emergency. Joint use of various ultrasound techniques to determine the cause, observe the thrombus shape, assess hemodynamic changes, follow-up treatment, prognosis has a unique effect.