title: Evaluation of left ventricular ejection fraction using a rectilinear scanner.
mesh_terms: D000328:Adult; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging*; D006334:Heart Function Tests / Q000379:methods*; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D011877:Radionuclide Imaging; D016276:Ventricular Function