title: Transient loss of consciousness: an ongoing challenge.
authors.forename: Panos E
authors.initials: PE
authors.lastname: Vardas
authors.forename: Emmanuel N
authors.initials: EN
authors.lastname: Simantirakis
mesh_terms: D016757:Death, Sudden, Cardiac / Q000453:epidemiology; D004632:Emergency Medical Services / Q000592:standards* / Q000706:statistics & numerical data*; D019983:Guideline Adherence; D006801:Humans; D017410:Practice Guidelines as Topic; D012307:Risk Factors; D014474:Unconsciousness / Q000175:diagnosis* / Q000453:epidemiology*