肺动脉栓塞简称肺栓塞(Pulmomary Embolism,PE)由于缺乏特征性的临床症状和体征,临床诊断相当困难,其误诊和漏诊率很高。据统计,在美国每年有50万新发病例,发病率在心血管疾病中仅次于冠心病和高血压[1]。在我国该病的发病率也在逐年增加[2]。为提高临床医师对PE的认识,及早作 Pulmonary Embolism (Pulmomary Embolism, PE) due to the lack of characteristic clinical symptoms and signs, clinical diagnosis is very difficult, the misdiagnosis and missed diagnosis rate is high. According to statistics, there are 500,000 new cases in the United States each year, the incidence rate is second only to coronary heart disease and hypertension in cardiovascular diseases [1]. In our country the incidence of the disease is also increasing year by year [2]. To improve clinicians understanding of PE, as early as possible