title: Spontaneous return of sinus rhythm in older patients with chronic atrial fibrillation and rheumatic mitral valve disease. Description of three patients.
mesh_terms: D000367:Age Factors; D000368:Aged; D001281:Atrial Fibrillation / Q000209:etiology / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications* / Q000601:surgery; D012075:Remission, Spontaneous; D012214:Rheumatic Heart Disease / Q000150:complications* / Q000601:surgery; D013997:Time Factors