title: New information relating to the prognosis of cardiac arrhythmias.
authors.affiliation: Department of Medicine, University of Calgary.
authors.forename: B L
authors.initials: BL
authors.lastname: Mitchell
mesh_terms: D001281:Atrial Fibrillation; D005117:Cardiac Complexes, Premature; D006801:Humans; D010138:Pacemaker, Artificial; D011379:Prognosis; D012804:Sick Sinus Syndrome