title: QRS interval time-related changes and prognosis in heart failure.
authors.forename: Francesco
authors.initials: F
authors.lastname: Grigioni
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Boriani
authors.forename: Carlo
authors.initials: C
authors.lastname: Magelli
authors.forename: Angelo
authors.initials: A
authors.lastname: Branzi
mesh_terms: D002037:Bundle-Branch Block / Q000209:etiology; D006328:Cardiac Catheterization; D004452:Echocardiography; D004562:Electrocardiography; D005080:Exercise Test; D006333:Heart Failure / Q000150:complications* / Q000175:diagnosis*; D006801:Humans; D008133:Long QT Syndrome / Q000209:etiology*; D015999:Multivariate Analysis; D011237:Predictive Value of Tests; D011379:Prognosis; D012307:Risk Factors