Inferior and superior vena cavae, right atrium, and right atrial appendage on transesophageal echocardiogram

Using a vertical (90L) imaging plane, the superior vena cava (SVC), inferior vena cava (IVC), right atrial appendage (RAA), body of the right atrium (RA), interatrial septum, and left atrium (LA) are visualized (panel A). Panel B is a similar orientation during injection of agitated saline through the right antecubital vein. There is early appearance of contrast filling the superior vena cava and superior half of the right atrium.