One of MUSC's South Carolina heart center doctors, Dr. Marcus Wharton, Director of Clinical Cardiac Electrophysiology, explains in this heart podcast the anatomy of the upper left ventricle and how ablation is used to help reduce the abnormal rapid heart rhythm caused by atrial fibrillation. Dr. Wharton discusses what to expect during the surgery, how long the recovery lasts and any possible long-term complications or risks associated with the surgery.