Contrast left ventricular apex shadow in echocardiography
Left ventricular apex technique in echocardiography
Apical four-chamber image obtained after intravenous administration of a perfluorocarbon contrast agent in a patient with apical aneurysms and calcifications. Note two different shadows arising from the heterogeneous apex of the left ventricular cavity. The dotted line represents the true left ventricular cavity boundary.