Combined use of contrast-enhanced 2-dimensional and color Doppler echocardiography for improved left ventricular endocardial border delineation using Levovist, a new venous echocardiographic contrast agent

Abstract
Transthoracic echocardiography often provides inadequate endocardial border visualization, particularly of the left ventricular apex. The aim of this study was to determine whether the transpulmonary...