title: ECG of the Month. Sinus arrhythmia.
authors.forename: Chloë L
authors.initials: CL
authors.lastname: Thorn
authors.forename: Mark A
authors.initials: MA
authors.lastname: Oyama
mesh_terms: D000818:Animals; D001146:Arrhythmia, Sinus / Q000175:diagnosis / Q000209:etiology / Q000662:veterinary*; D002371:Cat Diseases / Q000175:diagnosis* / Q000209:etiology; D002415:Cats; D004562:Electrocardiography / Q000662:veterinary*; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications / Q000662:veterinary