title: Pacing requirement after valvular heart surgery: "It ain't over 'til it's over".
authors.affiliation: Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. Electronic address: rjohn2@partners.org.
authors.forename: Roy M
authors.initials: RM
authors.lastname: John
authors.affiliation: Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
authors.forename: Ammar M
authors.initials: AM
authors.lastname: Killu
mesh_terms: D006348:Cardiac Surgical Procedures; D006801:Humans