title: Regular narrow QRS and regular wide QRS tachycardias in a woman with mitral regurgitation of uncertain etiology.
authors.affiliation: Sections of Cardiology, Departments of Medicine, Louisiana State University Health Sciences Center and University Hospital, New Orleans, Louisiana, USA. dglanc@lsuhsc.edu
authors.forename: D Luke
authors.initials: DL
authors.lastname: Glancy
authors.forename: Frank E
authors.initials: FE
authors.lastname: Wilklow
authors.forename: Christina
authors.initials: C
authors.lastname: Lopez
authors.forename: Babu
authors.initials: B
authors.lastname: Makkena
authors.forename: Frederick
authors.initials: F
authors.lastname: Helmcke