Professor Dr. Radu Vătășescu “Carol Davila” University of Medicine and Pharmacy, Bucharest, Faculty of General Medicine Professor of Cardiology, Senior Consultant Cardiologist PhD in Medical Sciences Senior Consultant in Cardiology and Internal Medicine, with European certification in interventional electrophysiology and in cardiac pacing, implantable cardioverter-defibrillators (ICD), and cardiac resynchronization therapy (CRT). Prof. Dr. Radu Vătășescu is a Senior Consultant in Cardiology and Internal Medicine, with European certifications in Interventional Electrophysiology and in cardiac pacing, implantable cardioverter-defibrillators (ICD), and cardiac resynchronization therapy (CRT), at SANADOR Clinical Hospital. Throughout his career, Prof. Dr. Radu Vătășescu has performed, as primary operator, approximately 3,500 pacemaker and implantable cardioverter-defibrillator implantations, 800 cardiac resynchronization therapy (CRT) and conduction system pacing (CSP) procedures, including biventricular pacemaker combined with implantable defibrillator (CRT-D), 80 pacing/defibrillation lead extractions, and 5,000 radiofrequency ablation procedures, of which more than 1,500 involved complex arrhythmias (including scar-related atrial flutter, malignant ventricular arrhythmias in structurally diseased hearts, and arrhythmias associated with congenital heart disease).