Has long been engaged in clinical cardiology, with comprehensive skills and experience in managing common cardiovascular conditions and acute, critical and severe illnesses. Has performed more than 4,000 cardiac interventional procedures of various types, including more than 500 high-risk complex procedures. Was a visiting scholar at the cardiac catheterization laboratory of the Heart Center, UC Davis Medical Center, USA. Specializes in pacemaker implantation of various types (including single- and dual-chamber pacemakers, implantable cardioverter-defibrillators, cardiac resynchronization therapy (three-chamber) pacemakers for heart failure and conduction system pacing) and interventional treatment of coronary heart disease and other conditions.