title: Color pixels and grey speckles: new tools for intraoperative evaluation of left ventricular function.
mesh_terms: D003116:Color; D004452:Echocardiography / Q000295:instrumentation* / Q000639:trends*; D006801:Humans; D007089:Image Enhancement / Q000379:methods*; D007430:Intraoperative Care / Q000379:methods; D018084:Ultrasonography, Interventional / Q000379:methods*; D018487:Ventricular Dysfunction, Left / Q000000981:diagnostic imaging*