title: Is absence of sinus arrhythmia a useful marker of atrial fibrillation?
authors.forename: P
authors.initials: P
authors.lastname: Agrawal
authors.forename: S
authors.initials: S
authors.lastname: Chandler
authors.forename: P N
authors.initials: PN
authors.lastname: Trewby
mesh_terms: D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D001281:Atrial Fibrillation / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D006801:Humans; D008875:Middle Aged