心包积液是一种较常见的临床表现,尤其是在超声心动图成为心血管疾病的常规检查方式之后,心包积液在患者中的检出率明显上升。大部分心包积液由于量少而不出现临床征象,而少数患者由于大量积液出现胸闷、气短、颈静脉充盈等临床征象。心包积液原因有很多,常见原因有风湿热、结核、细菌感染、肿瘤等[1],但由肺栓塞引起的较少见,我院 Pericardial effusion is a more common clinical manifestations, especially in echocardiography as a routine examination of cardiovascular disease, the detection rate of pericardial effusion in patients increased significantly. Most of the pericardial effusion due to the small amount of clinical signs do not appear, and a small number of patients due to a large number of fluid appear chest tightness, shortness of breath, jugular vein filling and other clinical signs. Pericardial effusion for many reasons, common causes of rheumatic fever, tuberculosis, bacterial infections, cancer [1], but less common cause of pulmonary embolism, our hospital