Currently, Dr. Kuan-Cheng Chang is serving as the Director of Cardiovascular Medicine and a Professor of Medicine at the esteemed China Medical University Hospital in Taichung, Taiwan. Throughout his illustrious career, he has successfully performed over 2,500 interventional procedures aimed at treating an array of conditions, from various arrhythmias to heart failure. These procedures have not only solidified his standing in the field but also contributed to improved patient outcomes. Moreover, Dr. Chang is a prolific contributor to the scientific community. He has published more than 150 scientific research papers, the majority of which are housed in high-ranking journals. These include PNAS, JACC imaging, Heart, Mayo Clinic Proceedings, Canadian Journal of Cardiology, International Journal of Cardiology, Journal of Molecular and Cellular Cardiology, Journal of American Heart association, Scientific Reports, Aging Cell, and Journal of Cardiovascular Electrophysiology. In recent times, Dr. Chang has devoted himself to the treatment of complex arrhythmias using an innovative technique known as high-density 3D mapping. His aim with this technique is to offer state-of-the-art management for patients with arrhythmias, advancing the standard of care in this critical area of medicine.