title: ECG file.
authors.forename: S
authors.initials: S
authors.lastname: Thomas
mesh_terms: D001919:Bradycardia / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D012016:Reference Values; D013610:Tachycardia / Q000175:diagnosis* / Q000503:physiopathology