Creation of a Syncope Channel for Patients Admitted to the Emergency Department for Loss of Consciousness and Not Hospitalized: Etiological Predictivity (Before/After Study)

Inclusion criteria

• Adults aged 18 and over;
• Consultant at the emergency department of the Centre Hospitalier de V ersailles
• For a confirmed diagnosis:
• of recurrent syncope with low-risk criteria according to ESC 2018 (1,2) Or
• of syncope recurrent or not, not fulfilling low-risk or high-risk criteria according to the ESC 2018 definition (1,2). These patients are those with minor high-risk criteria without aggravating circumstances:

• With no personal history of loss of consciousness whose clinical features strongly suggest syncope of rhythmic origin;
• No structural heart disease or abnormal ECG.
• Outpatient (returning home after emergency);
• Beneficiary or beneficiary of a social security scheme (excluding AME).

Exclusion criteria

• Etiology of syncope identified as early as the emergency department visit;
• High-risk syncope according to ESC 2018 criteria (1,3);
• First and only episode of low-risk syncope according to ESC 2018 criteria (1,3);
• Syncope of any risk category requiring hospitalization at the discretion of the emergency physician and cardiologist;
• Legal protection by guardianship ;
• Language barrier or condition incompatible with the patient's understanding or informed adherence to the protocol;
• Opposition to the use of their pseudonymized data (for retrospective inclusions);
• Patient's refusal to give consent to participate in the study (for prospective inclusions);