title: A 77-year-old woman with heart failure and palpitations.
authors.affiliation: Beth Israel Deaconess Medical Center, Boston, Massachusetts; Cardiovascular Research Institute, Maastricht, The Netherlands. Electronic address: mjoseph2@bidmc.harvard.edu.
authors.forename: Mark E
authors.initials: ME
authors.lastname: Josephson
authors.affiliation: Cardiovascular Research Institute, Maastricht, The Netherlands.
authors.forename: Hein J
authors.initials: HJ
authors.lastname: Wellens
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D004452:Echocardiography; D005260:Female; D006333:Heart Failure / Q000175:diagnosis*; D006801:Humans