Lobular infiltration of the interatrial septum
by Sepehr Richard W

Interesting Cases in Echocardiography

by Navin C Nanda
About Video

Lobular infiltration of the interatrial septum. Cropping the 3D dataset from back to front initially shows infiltrated tissue in the right atrioventricular groove (arrow) and causing lobulation and inhomogeneity of the interatrial septum (arrows). A hollow arrow points to the pericardial effusion. Further cropping in the same direction shows an increasingly lobulated septum and shows the uninvolved pacemaker lead (arrowhead) extending into RV.

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