Evaluation of the left ventricle by two-dimensional echocardiography.
D000293:Adolescent; D000328:Adult; D000368:Aged; D006328:Cardiac Catheterization; D002932:Cineangiography; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004452:Echocardiography / Q000379:methods*; D006331:Heart Diseases / Q000175:diagnosis* / Q000503:physiopathology; D006352:Heart Ventricles; D006801:Humans; D008875:Middle Aged; D009200:Myocardial Contraction