title: Invited commentary.
authors.affiliation: Division of Cardiothoracic Surgery, Medical College of Wisconsin, 9200 W Wisconsin Ave, Milwaukee, WI 53226, USA. halmassi@mcw.edu
authors.forename: G Hossein
authors.initials: GH
authors.lastname: Almassi
mesh_terms: D001282:Atrial Flutter / Q000150:complications / Q000209:etiology / Q000517:prevention & control*; D006348:Cardiac Surgical Procedures / Q000009:adverse effects; D003452:Cryosurgery / Q000009:adverse effects* / Q000379:methods*; D006327:Heart Block / Q000150:complications; D006330:Heart Defects, Congenital / Q000601:surgery; D006801:Humans