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肺动脉栓塞 (ｐｕｌｍｏｎａｒｙｅｍｂｏｌｉｓｍ ,ＰＥ)是常见的心血管疾病 ,死亡率达2 0 %～ 30 %。若患者能得到及时治疗 ,死亡率可降至 8%。寻找一种无创而有效的诊断方法一直是影像学界的奋斗目标。传统的普通Ｘ胸片是首选的检查手段 ;放射核素显像肺通气 灌注扫描 (Ｖ/
Pulmonary embolism (PE) is a common cardiovascular disease with a mortality rate of 20% -30%. If patients can be treated promptly, the mortality rate can be reduced to 8%. Finding a non-invasive and effective diagnostic method has always been the goal of the imaging community. The traditional common X-ray is the preferred method of examination; radionuclide imaging lung ventilation perfusion scan (V /