title: [Diagnostic importance of calculation of relative measurements of the left atrium in patients with mitral valve defect].
mesh_terms: D000790:Angiocardiography; D006332:Cardiomegaly / Q000000981:diagnostic imaging*; D005471:Fluoroscopy; D006325:Heart Atria / Q000000981:diagnostic imaging; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications*
vernacular_title: Diagnosticheskoe znachenie vychisleniia otnositel'nykh razmerov levogo predserdiia u bol'nykh mitral'nym porokom serdtsa