title: QRS alternans and cycle length oscillation during narrow QRS tachycardia.
authors.affiliation: Swiss Cardiovascular Center Bern, University Hospital, CH-3010 Bern, Switzerland.
authors.forename: Laurent
authors.initials: L
authors.lastname: Roten
authors.forename: Etienne
authors.initials: E
authors.lastname: Delacrétaz
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000145:classification* / Q000175:diagnosis*