title: Echocardiographic study of the cardiac involvement in rheumatoid arthritis.
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000150:complications*; D004452:Echocardiography; D005260:Female; D006331:Heart Diseases / Q000150:complications / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve; D010490:Pericardial Effusion / Q000175:diagnosis; D010493:Pericarditis / Q000175:diagnosis