title: A Case Contradicting the Definition of Embolic Strokes of Undetermined Source: The Necessity of Transesophageal Echocardiography.
authors.affiliation: Department of Neurology, University Hospital of Ioannina, School of Medicine, University of Ioannina, Ioannina, Greece. ar.katsanos@gmail.com.
authors.forename: Aristeidis H
authors.initials: AH
authors.lastname: Katsanos
authors.affiliation: Department of Neurology, University Hospital of Ioannina, School of Medicine, University of Ioannina, Ioannina, Greece.
authors.forename: Aidonio
authors.initials: A
authors.lastname: Fiolaki
authors.affiliation: Department of Cardiology, University Hospital of Ioannina, School of Medicine, University of Ioannina, Ioannina, Greece.
authors.forename: Konstantinos
authors.initials: K
authors.lastname: Pappas
authors.affiliation: Department of Neurology, University Hospital of Ioannina, School of Medicine, University of Ioannina, Ioannina, Greece.
authors.forename: Eleftheria
authors.initials: E
authors.lastname: Siarava
authors.affiliation: Second Department of Neurology, University of Athens, School of Medicine, "Attikon" University Hospital, Athens, Greece.
authors.forename: Georgios
authors.initials: G
authors.lastname: Tsivgoulis
authors.affiliation: Department of Neurology, University Hospital of Ioannina, School of Medicine, University of Ioannina, Ioannina, Greece.
authors.forename: Sotirios
authors.initials: S
authors.lastname: Giannopoulos