title: An unusual cause of intraoperative confusion in the electrophysiology laboratory.
authors.affiliation: Departments of Anesthesiology and Cardiology, University of Pennsylvania Medical School, Philadelphia, PA 19104-4283, USA. yiandoc@hotmail.com
authors.forename: John
authors.initials: J
authors.lastname: Augoustides
authors.forename: D Joshua
authors.initials: DJ
authors.lastname: Mancini
authors.forename: Francis
authors.initials: F
authors.lastname: Marchilinski
mesh_terms: D000758:Anesthesia; D001281:Atrial Fibrillation / Q000175:diagnosis / Q000000981:diagnostic imaging*; D017115:Catheter Ablation / Q000009:adverse effects*; D022062:Electrophysiologic Techniques, Cardiac; D004618:Embolism, Air / Q000175:diagnosis / Q000209:etiology*; D006757:Hospital Units; D006801:Humans; D020766:Intracranial Embolism / Q000175:diagnosis / Q000209:etiology*; D007431:Intraoperative Complications; D008297:Male; D008875:Middle Aged; D014463:Ultrasonography