Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Pulmonary embolism presenting as syncope: a case report | JOURNAL OF MEDICAL Sr CASE REPORTS Open Access Case report Pulmonary embolism presenting as syncope a case report Ahmet Demircan1 Gulbin Aygencel2 Ayfer Keles1 Ozgur Ozsoylar3 and Fikret Bildik1 Addresses Department of Emergency Medicine Gazi University Faculty of Medicine Ankara Turkey 2Department of Internal Medicine Gazi University Faculty of Medicine Ankara Turkey 3Department of Anesthesiology and Reanimation Gazi University Faculty of Medicine Ankara Turkey Email AD - demircan@ GA - gencel69@ AK - akeles@ OO - ozsoylar@ FB - fbildik@ Corresponding author Received 17 January 2008 Accepted 6 March 2009 Published 15 September 2009 Journal of Medical Case Reports 2009 3 7440 doi 1752-1947-3-7440 This article is available from http jmedicalcasereports article view 7440 2009 Demircan et al. licensee Cases Network Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Introduction Despite the high incidence of pulmonary embolism its diagnosis continues to be difficult primarily because of the vagaries of symptoms and signs in presentation. Conversely syncope is a relatively easy clinical symptom to detect but has varied etiologies that lead to a documented cause in only 58 of syncopal events. Syncope as the presenting symptom of pulmonary embolism has proven to be a difficult clinical correlation to make. Case presentation We present the case of a 26-year-old Caucasian man with pulmonary embolism induced-syncope and review the pathophysiology and diagnostic considerations. Conclusions Pulmonary embolism should be considered in the differential diagnosis of every syncopal event that presents at an emergency department. Introduction Recognized venous .