title: Are we on the right way to calculate tau?
authors: Xufang
authors: X
authors: Bai
mesh_terms: D004452:Echocardiography / Q000379:methods* / Q000592:standards*; D006352:Heart Ventricles / Q000000981:diagnostic imaging*; D006801:Humans; D007090:Image Interpretation, Computer-Assisted / Q000379:methods* / Q000592:standards*; D017410:Practice Guidelines as Topic; D013318:Stroke Volume; D014481:United States; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging*