title: QRS and cycle length alternans during paroxysmal supraventricular tachycardia: what is the mechanism?
authors.affiliation: Service de Cardiologie B, Centre Hospitalier Universitaire Arnaud de Villeneuve, Montpellier, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Maury
authors.forename: Franck
authors.initials: F
authors.lastname: Raczka
authors.forename: Christophe
authors.initials: C
authors.lastname: Piot
authors.forename: Jean-Marc
authors.initials: JM
authors.lastname: Davy
mesh_terms: D000328:Adult; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008297:Male; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology*; D013617:Tachycardia, Supraventricular / Q000503:physiopathology*