Host Dr. Jennifer Caudle welcomes Dr. Francis E. Marchlinski, Richard T. and Angela Clark President's Distinguished Professor and Director of the Electrophysiology Laboratory at the University of Pennsylvania. Dr. Marchlinski will review the epidemiology of PVCs, the kinds of problems that PVCs can cause, and how these problems manifest as symptoms in patients. He will also review the effectiveness of catheter ablation as a current treatment option for ventricular tachycardia (VT), a potenially serious complication of PVC's.