title: An unlikely cause.
authors.forename: Joshua
authors.initials: J
authors.lastname: Nackenson
authors.forename: Timothy
authors.initials: T
authors.lastname: Dackow
mesh_terms: D000063:Accidents, Traffic; D000328:Adult; D003937:Diagnosis, Differential; D004632:Emergency Medical Services / Q000592:standards*; D006801:Humans; D008297:Male; D008944:Mitral Valve Insufficiency / Q000175:diagnosis* / Q000209:etiology*; D015819:Substance Abuse, Intravenous / Q000150:complications