title: A diagnostic dilemma of syncope: a patient with chronic pulmonary embolism.
abstract: In the present report, the case of a 60-year-old man who presented with syncope secondary to chronic thromboemboli of the main pulmonary arteries and pulmonary arterioles is described.
authors.affiliation: Department of Cardiology, First Affiliated Hospital of Zhejiang University, HangZhou, 310003, China.
authors.forename: Yejing
authors.initials: Y
authors.lastname: Zhang
authors.forename: Yuntao
authors.initials: Y
authors.lastname: Zhang
authors.forename: Jianli
authors.initials: J
authors.lastname: Zhang