[Contrast echocardiography in congenital cardiopathies].

Besides marking the limits of intracardiac structures, contrast echocardiographic techniques make it possible to recognize a shunt or valvular insufficiency of the left heart. While it is sufficient to use a peripheral venous injection of physiological saline, 5% glucose in water, blood or cardiogreen at the atrial, ventricular or vessel level for the differentiation of a right-to-left shunt, for he diagnosis of a left-to-right shunt it is necessary to inject the left atrium, left ventricle or the aorta. Within the frame of heart catheterizations the diagnosis of mitral or aortic insufficiency can be verified by means of contrast echocardiographic techniques. These conclusions are demonstrated by own results of investigation.