title: Long-term pacemaker lead malposition. Role of echocardiography.
authors.forename: Gisela I
authors.initials: GI
authors.lastname: Feltes Guzmán
authors.forename: David
authors.initials: D
authors.lastname: Vivas Balcones
authors.forename: Leopoldo
authors.initials: L
authors.lastname: Pérez de Isla
authors.forename: José L
authors.initials: JL
authors.lastname: Zamorano Gómez
mesh_terms: D000368:Aged; D005260:Female; D005548:Foreign-Body Migration / Q000000981:diagnostic imaging*; D006321:Heart; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D013997:Time Factors; D014463:Ultrasonography