title: Case of the mysterious signal.
authors.affiliation: Clinical and Experimental Department of Medicine and Pharmacology, University of Messina, Via Consolare Valeria N 1, Messina, Italy.
authors.forename: Lilia
authors.initials: L
authors.lastname: Oreto
authors.forename: Maria Chiara
authors.initials: MC
authors.lastname: Todaro
authors.forename: Tanvir
authors.initials: T
authors.lastname: Bajwa
authors.forename: Louie
authors.initials: L
authors.lastname: Kostopoulos
authors.forename: Daniel
authors.initials: D
authors.lastname: O'Hair
authors.forename: Bijoy K
authors.initials: BK
authors.lastname: Khandheria
mesh_terms: D000368:Aged; D016122:Brachiocephalic Trunk / Q000000981:diagnostic imaging*; D006328:Cardiac Catheterization; D003251:Constriction, Pathologic / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D017548:Echocardiography, Transesophageal; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male