Philipp Sommer Department of Electrophysiology, Heart Center University of Leipzig Biography Publications Institution JoVE Articles Philipp Sommer has not added a biography. If you are Philipp Sommer and would like to personalize this page please email our Author Liaison for assistance. Publications Procedural Outcomes and Survival After Catheter Ablation of Ventricular Tachycardia in Relation to Electroanatomical Substrate in Patients with Nonischemic Dilated Cardiomyopathy: The Role of Unipolar Voltage Mapping Journal of Cardiovascular Electrophysiology. May, 2015 | Pubmed ID: 25996358 Comparison of Left Atrial Dimensions in CT and Echocardiography As Predictors of Long-term Success After Catheter Ablation of Atrial Fibrillation Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing. May, 2015 | Pubmed ID: 25956477 The APPLE Score: a Novel and Simple Score for the Prediction of Rhythm Outcomes After Catheter Ablation of Atrial Fibrillation Clinical Research in Cardiology : Official Journal of the German Cardiac Society. Apr, 2015 | Pubmed ID: 25876528 Catheter Ablation of Ventricular Tachycardia and Mortality in Patients with Nonischemic Dilated Cardiomyopathy: Can Noninducibility After Ablation Be a Predictor for Reduced Mortality? Circulation. Arrhythmia and Electrophysiology. Apr, 2015 | Pubmed ID: 25873719 Differentiating the Origin of Outflow Tract Ventricular Arrhythmia Using a Simple, Novel Approach Heart Rhythm : the Official Journal of the Heart Rhythm Society. Apr, 2015 | Pubmed ID: 25847476 Ablation of Typical Atrial Flutter Using a Non-fluoroscopic Catheter Tracking System Vs. Conventional Fluoroscopy-results from a Prospective Randomized Study Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Mar, 2015 | Pubmed ID: 25736724 Impact of Asymmetrical Dilatation of the Left Atrium on the Long-term Success After Catheter Ablation of Atrial Fibrillation International Journal of Cardiology. Apr, 2015 | Pubmed ID: 25731848 Sex-related Predictors for Thromboembolic Events After Catheter Ablation of Atrial Fibrillation: The Leipzig Heart Center AF Ablation Registry Clinical Research in Cardiology : Official Journal of the German Cardiac Society. Feb, 2015 | Pubmed ID: 25707763 Irrigated Tip Catheters for Radiofrequency Ablation in Ventricular Tachycardia BioMed Research International. 2015 | Pubmed ID: 25705659 Common Genetic Variants and Response to Atrial Fibrillation Ablation Circulation. Arrhythmia and Electrophysiology. Apr, 2015 | Pubmed ID: 25684755 Nonfluoroscopic Catheter Tracking: Toy or Tool? Pacing and Clinical Electrophysiology : PACE. Feb, 2015 | Pubmed ID: 25682897 Optimal Lévy-flight Foraging in a Finite Landscape Journal of the Royal Society, Interface / the Royal Society. Mar, 2015 | Pubmed ID: 25631566 Presence and Extent of Coronary Artery Disease As Predictor for AF Recurrences After Catheter Ablation: The Leipzig Heart Center AF Ablation Registry International Journal of Cardiology. Feb, 2015 | Pubmed ID: 25528310 Precordial QRS Amplitude Ratio Predicts Long-term Outcome After Catheter Ablation of Electrical Storm Due to Ventricular Tachycardias in Patients with Arrhythmogenic Right Ventricular Cardiomyopathy Journal of Electrocardiology. Jan-Feb, 2015 | Pubmed ID: 25465865 Changes in Renal Function After Catheter Ablation of Atrial Fibrillation Are Associated with CHADS2 and CHA2DS2-VASc Scores and Arrhythmia Recurrences Heart (British Cardiac Society). Jan, 2015 | Pubmed ID: 25281600 Sensor-based Electromagnetic Navigation to Facilitate Implantation of Left Ventricular Leads in Cardiac Resynchronization Therapy Journal of Cardiovascular Electrophysiology. Feb, 2015 | Pubmed ID: 25229158 Results of Catheter Ablation of Atrial Fibrillation in Hypertrophied Hearts - Comparison Between Primary and Secondary Hypertrophy Journal of Cardiology. Jun, 2015 | Pubmed ID: 25113952 Patient Discomfort Following Catheter Ablation and Rhythm Device Surgery Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Dec, 2014 | Pubmed ID: 25488958 Delayed Enhancement Imaging in a Contemporary Patient Cohort Following Correction of Tetralogy of Fallot Cardiology in the Young. Nov, 2014 | Pubmed ID: 25382031 Early Referral for Ablation of Scar-related Ventricular Tachycardia is Associated with Improved Acute and Long-term Outcomes: Results from the Heart Center of Leipzig Ventricular Tachycardia Registry Circulation. Arrhythmia and Electrophysiology. Dec, 2014 | Pubmed ID: 25262159 Comparison of Dabigatran and Uninterrupted Warfarin in Patients with Atrial Fibrillation Undergoing Cardiac Rhythm Device Implantations. Case-control Study Circulation Journal : Official Journal of the Japanese Circulation Society. 2014 | Pubmed ID: 25253506 Comparison of Dabigatran and Uninterrupted Warfarin in Patients With Atrial Fibrillation Undergoing Cardiac Rhythm Device Implantations Circulation Journal : Official Journal of the Japanese Circulation Society. Aug, 2014 | Pubmed ID: 25152420 Tailored Atrial Substrate Modification Based on Low-voltage Areas in Catheter Ablation of Atrial Fibrillation Circulation. Arrhythmia and Electrophysiology. Oct, 2014 | Pubmed ID: 25151631 Left Atrial Appendage Morphology and Thromboembolic Risk After Catheter Ablation for Atrial Fibrillation Heart Rhythm : the Official Journal of the Heart Rhythm Society. Dec, 2014 | Pubmed ID: 25128733 Early Cerebral Thromboembolic Complications After Radiofrequency Catheter Ablation of Atrial Fibrillation: Incidence, Characteristics, and Risk Factors Heart Rhythm : the Official Journal of the Heart Rhythm Society. Nov, 2014 | Pubmed ID: 25086257 [Long-term Results of Catheter Ablation of Atrial Fibrillation: Cure or Just Palliation?] Herzschrittmachertherapie & Elektrophysiologie. Dec, 2014 | Pubmed ID: 25081596 Nonfluoroscopic Catheter Visualization in Atrial Fibrillation Ablation: Experience from 375 Consecutive Procedures Circulation. Arrhythmia and Electrophysiology. Oct, 2014 | Pubmed ID: 25038922 Catheter Ablation Guided by Real-time MRI Current Cardiology Reports. Aug, 2014 | Pubmed ID: 24952899 Impact of Left Atrial Appendage Morphology on Peri-interventional Thromboembolic Risk During Catheter Ablation of Atrial Fibrillation Heart Rhythm : the Official Journal of the Heart Rhythm Society. Sep, 2014 | Pubmed ID: 24858813 Comparison of CHADS2, R2CHADS2, and CHA2DS2-VASc Scores for the Prediction of Rhythm Outcomes After Catheter Ablation of Atrial Fibrillation: the Leipzig Heart Center AF Ablation Registry Circulation. Arrhythmia and Electrophysiology. Apr, 2014 | Pubmed ID: 24610790 Atrial Arrhythmias Following Surgical AF Ablation: Electrophysiological Findings, Ablation Strategies, and Clinical Outcome Journal of Cardiovascular Electrophysiology. Jul, 2014 | Pubmed ID: 24602079 Adenosine Sensitivity of Retrograde Fast Pathway Conduction in Patients with Slow-fast Atrioventricular Nodal Reentrant Tachycardia: a Prospective Study Heart Rhythm : the Official Journal of the Heart Rhythm Society. May, 2014 | Pubmed ID: 24583097 The Predictive Value of Echocardiographic Parameters Associated with Left Ventricular Diastolic Dysfunction on Short- and Long-term Outcomes of Catheter Ablation of Atrial Fibrillation Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Aug, 2014 | Pubmed ID: 24569573 Impact of Single Atrial Fibrillation Catheter Ablation on Implantable Cardioverter Defibrillator Therapies in Patients with Ischaemic and Non-ischaemic Cardiomyopathies Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Sep, 2014 | Pubmed ID: 24532559 Treatment with Novel Oral Anticoagulants in a Real-world Cohort of Patients Undergoing Cardiac Rhythm Device Implantations Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Jul, 2014 | Pubmed ID: 24489073 MR Imaging-guided Electrophysiological Ablation Studies in Humans with Passive Catheter Tracking: Initial Results Radiology. Jun, 2014 | Pubmed ID: 24484059 Long-term Follow-up After Atrial Fibrillation Ablation in Patients with Impaired Left Ventricular Systolic Function: the Importance of Rhythm and Rate Control Heart Rhythm : the Official Journal of the Heart Rhythm Society. Mar, 2014 | Pubmed ID: 24374320 Renal Dysfunction, Stroke Risk Scores (CHADS2, CHA2DS2-VASc, and R2CHADS2), and the Risk of Thromboembolic Events After Catheter Ablation of Atrial Fibrillation: the Leipzig Heart Center AF Ablation Registry Circulation. Arrhythmia and Electrophysiology. Oct, 2013 | Pubmed ID: 24047706 Cardiac Resynchronization Therapy Device Implantation Using a New Sensor-based Navigation System: Results from the First Human Use Study Circulation. Arrhythmia and Electrophysiology. Oct, 2013 | Pubmed ID: 24002003 Relevant Ventricular Septal Defect Caused by Steam Pop During Ablation of Premature Ventricular Contraction Circulation. Jun, 2013 | Pubmed ID: 23775197 A Survey of German Centres Performing Invasive Electrophysiology: Structure, Procedures, and Training Positions Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Dec, 2013 | Pubmed ID: 23736806 Successful Nonsurgical Treatment of Esophagopericardial Fistulas After Atrial Fibrillation Catheter Ablation: a Case Series Circulation. Arrhythmia and Electrophysiology. Aug, 2013 | Pubmed ID: 23728944 Prevalence and Predictors of Worsened Left Ventricular Diastolic Dysfunction After Catheter Ablation of Atrial Fibrillation International Journal of Cardiology. Oct, 2013 | Pubmed ID: 23725912 Novel Oral Anticoagulants in a Real-world Cohort of Patients Undergoing Catheter Ablation of Atrial Fibrillation Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Nov, 2013 | Pubmed ID: 23703362 Catheter Ablation of Atrial Fibrillation Supported by Novel Nonfluoroscopic 4D Navigation Technology Heart Rhythm : the Official Journal of the Heart Rhythm Society. Sep, 2013 | Pubmed ID: 23680898 MediGuide in Supraventricular Tachycardia: Initial Experience from a Multicentre Registry Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Sep, 2013 | Pubmed ID: 23612730 Cavotricuspid Isthmus Ablation Guided by Real-time Magnetic Resonance Imaging Circulation. Arrhythmia and Electrophysiology. Feb, 2013 | Pubmed ID: 23424226 "Conventional" Isthmus Ablation Without Fluoroscopy Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing. Aug, 2013 | Pubmed ID: 23080328 Use of Electrical Coupling Information in AF Catheter Ablation: a Prospective Randomized Pilot Study Heart Rhythm : the Official Journal of the Heart Rhythm Society. Feb, 2013 | Pubmed ID: 23059130 Diagnosis of Atrial Tachycardias Originating from the Lower Right Atrium: Importance of P-wave Morphology in the Precordial Leads V3-V6 Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Apr, 2013 | Pubmed ID: 23054216 Temporary Left Ventricular Stimulation in Patients with Refractory Cardiogenic Shock and Asynchronous Left Ventricular Contraction: a Safety and Feasibility Study Heart Rhythm : the Official Journal of the Heart Rhythm Society. Jan, 2013 | Pubmed ID: 22982965 Initial Experience in Ablation of Typical Atrial Flutter Using a Novel Three-dimensional Catheter Tracking System Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Apr, 2013 | Pubmed ID: 22858894 Feasibility of Real-time Magnetic Resonance Imaging-guided Electrophysiology Studies in Humans Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Jan, 2013 | Pubmed ID: 22849974 Clinical Implications of Recent Trials on Anticoagulation in Patients with Atrial Fibrillation Research in Cardiovascular Medicine. Nov, 2012 | Pubmed ID: 25478481 [Non-fluoroscopic Catheter Tracking: the MediGuide™ System] Herzschrittmachertherapie & Elektrophysiologie. Dec, 2012 | Pubmed ID: 23179322 Ablation of Atrial Fibrillation Using Novel 4-dimensional Catheter Tracking Within Autoregistered Left Atrial Angiograms Circulation. Arrhythmia and Electrophysiology. Aug, 2012 | Pubmed ID: 22773023 Quantitative Analysis of Isolation Area and Rhythm Outcome in Patients with Paroxysmal Atrial Fibrillation After Circumferential Pulmonary Vein Antrum Isolation Using the Pace-and-ablate Technique Circulation. Arrhythmia and Electrophysiology. Aug, 2012 | Pubmed ID: 22752925 Sustained Monomorphic Left Ventricular Outflow Tract Tachycardia Early After Aortic Valve Replacement Cardiology Journal. 2012 | Pubmed ID: 22641554 Long-term Efficacy of Single Procedure Remote Magnetic Catheter Navigation for Ablation of Ischemic Ventricular Tachycardia: a Retrospective Study Journal of Cardiovascular Electrophysiology. May, 2012 | Pubmed ID: 22313170 Changing Coronary Sinus Activation During Catheter Ablation of Isthmus-dependent Right Atrial Flutter: What is the Mechanism? Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Jun, 2012 | Pubmed ID: 22308080 Catheter Ablation for Atrial Fibrillation in Patients with Left Ventricular Systolic Dysfunction. A Systematic Review and Meta-analysis Journal of Cardiac Failure. Nov, 2011 | Pubmed ID: 22041335 Deep Sedation for Catheter Ablation of Atrial Fibrillation: a Prospective Study in 650 Consecutive Patients Journal of Cardiovascular Electrophysiology. Dec, 2011 | Pubmed ID: 21692895 Influence of Adenosine on Ventricular Function Measurements As Part of a Comprehensive Stress Perfusion Magnetic Resonance Imaging Study Acta Radiologica (Stockholm, Sweden : 1987). Jul, 2011 | Pubmed ID: 21525106 Treating Arrhythmias: an Expert Opinion Expert Opinion on Pharmacotherapy. Jun, 2011 | Pubmed ID: 21352091 Effect of Limb Lead Electrodes Location on ECG and Localization of Idiopathic Outflow Tract Tachycardia: a Prospective Study Journal of Cardiovascular Electrophysiology. Aug, 2011 | Pubmed ID: 21332862 Electrical Storm Originating from a Left Ventricular Epicardial Scar in a Patient with Completely Normal Endocardial Voltage Heart and Vessels. Nov, 2011 | Pubmed ID: 21274719 Steerable Versus Nonsteerable Sheath Technology in Atrial Fibrillation Ablation: a Prospective, Randomized Study Circulation. Arrhythmia and Electrophysiology. Apr, 2011 | Pubmed ID: 21248246 Changing QRS Morphology During Catheter Ablation of Outflow Tract Ventricular Tachycardia: What is the Mechanism? Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Mar, 2011 | Pubmed ID: 21075759 Rapid Ventricular Pacing: a Fast, Reliable, and Safe Technique for Optimization of Image Acquisition During Rotational Angiography for Catheter Ablation of Atrial Fibrillation Heart and Vessels. May, 2011 | Pubmed ID: 20963596 Apparent Short PR Interval During Atrial Tachycardia: What is the Mechanism? Clinical Research in Cardiology : Official Journal of the German Cardiac Society. Feb, 2011 | Pubmed ID: 20865266 Successful Integration of a Computed Tomography-based Left Atrial Three-dimensional Model in an Electroanatomically Reconstructed Right Atrium for Ablation of Biatrial Tachycardia Heart Rhythm : the Official Journal of the Heart Rhythm Society. Jan, 2011 | Pubmed ID: 20156609 Catheter Ablation of Electrical Storm Due to Monomorphic Ventricular Tachycardia in Patients with Nonischemic Cardiomyopathy: Acute Results and Its Effect on Long-term Survival Pacing and Clinical Electrophysiology : PACE. Dec, 2010 | Pubmed ID: 20636312 Prevention of Oesophageal Injury During Catheter Ablation of Atrial Fibrillation: is Monitoring of Oesophageal Temperature the Solution? Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Jul, 2010 | Pubmed ID: 20472687 Safety of Remote Magnetic Navigation in Patients with Pacemakers and Implanted Cardioverter Defibrillators Journal of Cardiovascular Electrophysiology. Oct, 2010 | Pubmed ID: 20455985 EnSite Velocity Cardiac Mapping System: a New Platform for 3D Mapping of Cardiac Arrhythmias Expert Review of Medical Devices. Mar, 2010 | Pubmed ID: 20214424 Iatrogenic Atrial Septal Defect After Catheter Ablation of Atrial Fibrillation: Do We Have to Worry? Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Mar, 2010 | Pubmed ID: 20173205 Circumferential Pulmonary Vein Isolation and Linear Left Atrial Ablation As a Single-catheter Technique to Achieve Bidirectional Conduction Block: the Pace-and-ablate Approach Heart Rhythm : the Official Journal of the Heart Rhythm Society. 2010 | Pubmed ID: 20036199 Long-term Results and the Predictors of Outcome of Catheter Ablation of Atrial Fibrillation Using Steerable Sheath Catheter Navigation After Single Procedure in 674 Patients Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Feb, 2010 | Pubmed ID: 19889688 :Influence of the Duration of Holter Monitoring on the Detection of Arrhythmia Recurrences After Catheter Ablation of Atrial Fibrillation: Implications for Patient Follow-up International Journal of Cardiology. Mar, 2010 | Pubmed ID: 18990460 Results of Recent Studies in Catheter Ablation of Ventricular Tachycardias: in Whom to Abandon the ICD? Herz. Nov, 2009 | Pubmed ID: 20091253 Real-life Anticoagulation Treatment of Atrial Fibrillation After Catheter Ablation: Possible Overtreatment of Low-risk Patients Thrombosis and Haemostasis. Oct, 2009 | Pubmed ID: 19806262 First in Human Validation of Impedance-based Catheter Tip-to-tissue Contact Assessment in the Left Atrium Journal of Cardiovascular Electrophysiology. Dec, 2009 | Pubmed ID: 19602032 Mortality After Catheter Ablation for Atrial Fibrillation Compared with Antiarrhythmic Drug Therapy. A Meta-analysis of Randomized Trials American Heart Journal. Jul, 2009 | Pubmed ID: 19540387 Complications of Atrial Fibrillation Ablation in a High-volume Center in 1,000 Procedures: Still Cause for Concern? Journal of Cardiovascular Electrophysiology. Sep, 2009 | Pubmed ID: 19490383 Effect of Atrial Fibrillation Ablation on Left Atrial Contractile Function in Patients with Paroxysmal Atrial Fibrillation and a Relatively Well Preserved Atrial Function Acta Cardiologica. Apr, 2009 | Pubmed ID: 19476107 Color-coded Three-dimensional Entrainment Mapping for Analysis and Treatment of Atrial Macroreentrant Tachycardia Heart Rhythm : the Official Journal of the Heart Rhythm Society. Mar, 2009 | Pubmed ID: 19251210 Ablation of Polymorphic Ventricular Tachycardias in Patients with Structural Heart Disease Pacing and Clinical Electrophysiology : PACE. Dec, 2008 | Pubmed ID: 19067811 Steerable Sheath Catheter Navigation for Ablation of Atrial Fibrillation: a Case-control Study Pacing and Clinical Electrophysiology : PACE. Jul, 2008 | Pubmed ID: 18684284 Computed Tomography Model-based Treatment of Atrial Fibrillation and Atrial Macro-re-entrant Tachycardia Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology. Aug, 2008 | Pubmed ID: 18577508 Twenty-four Hours Postoperative Results After Orthotopic Cardiac Transplantation in Swine Journal of Cardiac Surgery. Jul-Aug, 2007 | Pubmed ID: 17661768 Anatomical Study on the Surgical Technique Used for Xenotransplantation: Porcine Hearts into Humans The Journal of Surgical Research. Dec, 2007 | Pubmed ID: 17644115 Clinical Implications of Various Follow Up Strategies After Catheter Ablation of Atrial Fibrillation Pacing and Clinical Electrophysiology : PACE. Apr, 2007 | Pubmed ID: 17437567 Girişimsel Elektrofizyoloji Floroskopi Azaltımı Kateter İzleme Olmayan skopi Philipp Sommer1, Simon Kircher1, Sascha Rolf1, Sergio Richter1, Micha Doering1, Arash Arya1, Andreas Bollmann1, Gerhard Hindricks1 1Department of Electrophysiology, Heart Center, University of Leipzig Medicine
Girişimsel Elektrofizyoloji Floroskopi Azaltımı Kateter İzleme Olmayan skopi Philipp Sommer1, Simon Kircher1, Sascha Rolf1, Sergio Richter1, Micha Doering1, Arash Arya1, Andreas Bollmann1, Gerhard Hindricks1 1Department of Electrophysiology, Heart Center, University of Leipzig Medicine