[Evaluation of left ventricular performance by echocardiography during anesthesia].
D000328:Adult; D000368:Aged; D000770:Anesthesia, Endotracheal; D000767:Anesthesia, Epidural; D002302:Cardiac Output; D004452:Echocardiography; D006321:Heart / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007223:Infant; D007432:Intraoperative Period; D008875:Middle Aged