title: Double atrial septum and transseptal puncture: an unusual obstacle to pulmonary vein isolation.
authors.affiliation: Central Bucks Specialists, Doylestown Hospital, Doylestown, Pennsylvania 18901, USA. jharding246@comcast.net
authors.forename: John D
authors.initials: JD
authors.lastname: Harding
authors.forename: Francis
authors.initials: F
authors.lastname: Grzywacz
authors.forename: Robert
authors.initials: R
authors.lastname: Sangrigoli
mesh_terms: D000015:Abnormalities, Multiple / Q000601:surgery; D001281:Atrial Fibrillation / Q000601:surgery*; D054087:Atrial Septum / Q000000981:diagnostic imaging / Q000601:surgery*; D017115:Catheter Ablation / Q000379:methods*; D017548:Echocardiography, Transesophageal; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009339:Needles; D011667:Pulmonary Veins / Q000601:surgery*