title: [Atrial fibrillation and flutter].
authors.affiliation: Department of Cardiology, Juntendo University, Izunagaoka Hospital.
authors.forename: M
authors.initials: M
authors.lastname: Sumiyoshi
authors.forename: Y
authors.initials: Y
authors.lastname: Nakata
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation; D001282:Atrial Flutter; D006801:Humans; D008875:Middle Aged