title: Two-dimensional echocardiography.
mesh_terms: D006332:Cardiomegaly / Q000175:diagnosis; D004437:Ebstein Anomaly / Q000175:diagnosis; D004452:Echocardiography / Q000295:instrumentation / Q000379:methods*; D006321:Heart / Q000033:anatomy & histology; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006331:Heart Diseases / Q000175:diagnosis*; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006801:Humans; D008946:Mitral Valve Stenosis / Q000175:diagnosis; D013771:Tetralogy of Fallot / Q000175:diagnosis; D014683:Vena Cava, Superior / Q000002:abnormalities