title: [Usefulness of the ultrasonocardiographic examination in the evaluation of the left atrium size in patients with mitral valve defect].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000175:diagnosis*; D004452:Echocardiography / Q000379:methods*; D005069:Evaluation Studies as Topic; D005260:Female; D006325:Heart Atria; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000150:complications
vernacular_title: Przydatność badania ultrasonokardiograficznego w ocenie wielkości lewego przedsionka u chorych z wada lewego ujścia zylnego.