2Mansencal N,Redheuil A,Joseph T,et al.Use of transthoracic echocardiography combined with venous ultrasonography in patients with pulmonary embolism[J].Int J Cardiol,2004,96(1):59~63.
3Rosenberger P,Shernan SK,Weissmuller T,et al.Role of intraoperative transesophageal echocardiography for diagnosing and managing pulmonary embolism in the perioperative period[J].Anesth Analg,2005,100(1):292~293.
2Stein PD, Hull RD, Pineo GF. The role of newer diagnostic techniques in the diagnosis of pulmonary embolism [J]. Curr Opin Pulm Med, 1999,5(4) : 212-215.
3Eriksson H, Freden M, Hansson PO, et al. Pulmonary embolism remains an overlooked diagnosis, Proposed strategy in suspected cases[J]. Lakartidningen, 1998,95(35) :3652-3656.