Echocardiographic diagnosis of pseudoaneurysm of the left ventricle.

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Abstract
The echocardiographic features of postinfarction pseudoaneurysm of the left ventricle are described for the first time. Because ultrasound allows the detection of soft-tissue structures in a manner not possible with other diagnostic techniques, the left ventricular wall can be visualized separating the left ventricular cavity from the saccular aneurysm which is delineated by pericardium and/or extracardiac tissue. In addition to these anatomic findings, relevant qualitative hemodynamic data can also be obtained. Echocardiography seems to be a safe and specific method for the diagnosis of left ventricular pseudoaneurysm. It is suggested that echocardiography should be used in the incipeint phase of pseudoaneurysm formation to detect subacute cardiac rupture.