title: Accurate bedside technique for differentiating wide-QRS complex tachycardias.
abstract: Patients undergoing open-heart surgery routinely receive temporary atrial pacing wires. The authors present a case report involving the use of these wires to differentiate the origin of a wide-QRS complex tachycardia. The technique, described in detail, should be utilized when appropriate.
authors.affiliation: Surgical Intensive Care Unit, Mt. Sinai Medical Center, New York.
authors.forename: C O
authors.initials: CO
authors.lastname: Ezeugwu
authors.forename: N G
authors.initials: NG
authors.lastname: Tullo
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006801:Humans; D013617:Tachycardia, Supraventricular / Q000175:diagnosis*; D017180:Tachycardia, Ventricular / Q000175:diagnosis*