December 5, 2008 - Lebanon County, PA cardiologist Jeffrey L. Williams, M.D., MS, FACC, is the author of a study released in the Journal of Interventional Cardiology, “Feasibility of Myxomatous Mitral Valve Repair Using Direct Leaflet and Chordal Radiofrequency Ablation,” and is said to be the first in the world to describe a completely catheter-based intracardiac ablation approach to repair mitral valve prolapse causing severe mitral regurgitation.