The incidence of acute pulmonary embolism following syncope in anticoagulant-naïve patients: A retrospective cohort study

Background A recently published, large prospective study showed unexpectedly high prevalence of acute pulmonary embolism (APE) among patients hospitalized for syncope. In such a case, a high incidence of recurrent pulmonary embolism is expected among patients who were discharged without APE workup.