title: The importance of two-dimensional echocardiography in identification and assessment of the left atrium.
mesh_terms: D000328:Adult; D000368:Aged; D001013:Aorta, Thoracic; D001014:Aortic Aneurysm / Q000175:diagnosis / Q000473:pathology; D001020:Aortic Stenosis, Subvalvular / Q000175:diagnosis / Q000473:pathology; D001022:Aortic Valve Insufficiency / Q000175:diagnosis / Q000473:pathology; D004452:Echocardiography; D005260:Female; D006325:Heart Atria / Q000473:pathology*; D006801:Humans; D008297:Male