title: Accuracy of M mode echocardiographic measurements of the left ventricle.
mesh_terms: D000818:Animals; D003201:Computers; D003971:Diastole; D004285:Dogs; D004452:Echocardiography / Q000379:methods*; D006352:Heart Ventricles / Q000033:anatomy & histology*; D009200:Myocardial Contraction; D013599:Systole