title: The ECG in left bundle branch block and heart failure.
authors.affiliation: Beth Israel Deaconess Medical Center, Boston, Massachusetts. Electronic address: mjoseph2@bidmc.harvard.edu.
authors.forename: Mark E
authors.initials: ME
authors.lastname: Josephson
authors.affiliation: Maastricht University, Maastricht, The Netherlands.
authors.forename: Hein J J
authors.initials: HJ
authors.lastname: Wellens
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006333:Heart Failure / Q000150:complications* / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans