肺栓塞(Pulmonary Embolism,PE)是一种潜在的致死性疾病,其临床表现多种多样,缺乏特异性,症状的严重程度很大差别,可以从无症状,隐匿症状到血流动力学不稳定,甚至发生猝死。PE在临床上经常难以诊断,近年来由于未提前告知的PE猝死又是医疗纠纷的原因之一。为进一步提高PE的正确 Pulmonary Embolism (PE) is a potentially fatal disease, its clinical manifestations are diverse and lack of specificity. The severity of the symptoms varies greatly from asymptomatic, occult symptoms to hemodynamic instability , And even sudden death. PE is often difficult to diagnose clinically, in recent years due to PE is not informed in advance of sudden death is one of the reasons for medical disputes. To further improve the PE’s correct