Simultaneous Endocardial and Epicardial Delineation of 3D Reentrant Ventricular Tachycardia

Mechanisms of scar-related ventricular tachycardia (VT) are largely based on computational and animal models that portray a 2-dimensional view. The authors sought to delineate the human VT circuit with a 3-dimensional perspective from recordings obtained by simultaneous endocardial and epicardial mapping. High-resolution mapping was performed during 97 procedures in 89 patients with structural heart disease. Circuits were characterized by...