title: Unusual response to atrial extrastimulus testing.
authors.affiliation: Cardiac Electrophysiology Section, Department of Medicine, University of Iowa Hospitals and Clinics, Iowa City 52242-1081, USA. kalyanam-shivkumar@uiowa.edu
authors.forename: Stuart D
authors.initials: SD
authors.lastname: Christenson
authors.forename: Brian
authors.initials: B
authors.lastname: Olshansky
authors.forename: Kalyanam
authors.initials: K
authors.lastname: Shivkumar
mesh_terms: D017115:Catheter Ablation; D022062:Electrophysiologic Techniques, Cardiac / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000209:etiology* / Q000601:surgery