Prevalence Rate of Pulmonary Embolism Among Not Anticoagulated Patients

MeAsurement of uneXpected Acute Pulmonary embolIsM Among Not Anticoagulated Patients Older Than 75 Years Admitted With Syncope.

The purpose of this study is to evaluate the prevalence rate of pulmonary embolism among not anticoagulated patient older than 75 years old admitted with syncope and hospitalised in the Toulon Hospital

This study will be proposed to every patient that correspond to eligibility criteria. Will be included only those who are not opposed to the collection of their data.

The data collected will come from the routine care such as medical history, clinical datas, imaging data… The number of pulmonary imaging will be assessed before the diagnostic strategy proposed by Dr Prandoni and after the application of this strategy thanks to a questionnaire to physicians.

Inclusion Criteria:

• Male or Female over 75 years-old
• Emergency consult resulting on an hospitalization in the geriatric service or in the internal medicine service
• Hospitalised in the Centre Hospitalier Intercommunal de Toulon for syncope, presenting these symptoms:
• Loss of consciousness with quick return to normal (less than one minute)
• Spontaneous resolution

Exclusion Criteria:

• history of syncope
• other loss of consciousness (epilepsy, stroke, head trauma)
• anticoagulated treatment
• patient's objection