7Wolfe TR,Allen TL.Syncope as an emergency department presentation of pulmonary embolism.J Emerg Med,1998,16(1):117.
8Hirohashi T,Yoshinaga K,Sakurai T,et al.Study of the echocardiograohic diagnosis of acute pulmonary thromboembolism and risk factors for venous thromboembolism.Journal of Cardiology,2006,47(2):66-71.
9Kucher N,Rossi E,De-Rosa M,et al.Prognostic role of echocardiography among patients with acute pulmonary embolism and a systolic arterial pressure of 90 mmHg or higher.Arch Intern Med,2005,165(15):1777-1781.
10Di NM, Squizzato A, Rutjes AW, et al. Diagnostie accuracy of D-dimer test for Exclusion of venous thromboembolism:a systematie review[J].J Thromb Haemost,2007,5 (2):296-304.
