Utility of Three-Dimensional and Four-Dimensional Transesophageal Echocardiography in Decision-Making in a Patient with Iatrogenic Left Ventricle-to-Right Atrium Shunt (Gerbode Defect)

• Two-dimensional echocardiography is the workhorse of cardiovascular imaging. • Three-dimensional echocardiography can improve diagnostic capability. • In structural and congenital heart disease, 3D echo can be extremely useful. • Three-dimensional echo should be used more often in cardiac interventional procedures.