title: Prevalence of pericardial effusion and mitral-valve involvement in patients with rheumatoid arthritis without cardiac symptoms. An echocardiographic evaluation.
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000150:complications / Q000503:physiopathology*; D004452:Echocardiography; D004548:Elasticity; D005260:Female; D006321:Heart / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000503:physiopathology*; D008946:Mitral Valve Stenosis / Q000175:diagnosis / Q000209:etiology; D010490:Pericardial Effusion / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology*; D011446:Prospective Studies; D013997:Time Factors