Transesophageal echocardiography; for assessing ventricular performance.
D000368:Aged; D004452:Echocardiography / Q000379:methods*; D004947:Esophagus; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008946:Mitral Valve Stenosis / Q000503:physiopathology / Q000601:surgery