| Active Not Recruiting | PACEVALUE: Development of a Risk Score to Predict Pacing-Induced Cardiomyopathy in Patients Undergoing Pacemak NCT07276139 | Insel Gruppe AG, University Hospital Bern | — |
| Recruiting | Cardiac Assessment for Recurrent Stroke Risk Evaluation in Atrial Fibrillation NCT06954610 | Insel Gruppe AG, University Hospital Bern | — |
| Recruiting | Radiotherapy vs Catheter Ablation for Ventricular Tachycardia in Structural Heart Disease NCT06360939 | Western Sydney Local Health District | N/A |
| Recruiting | Exercise Activity Intervention With Sensor-Based Engagement in Patients With Atrial Fibrillation NCT06938412 | Icahn School of Medicine at Mount Sinai | N/A |
| Recruiting | AI Powered Mapping Technology for Identifying Arrhythmias NCT06939478 | Heart Rhythm Clinical and Research Solutions, LLC | — |
| Completed | Haemodynamics and Ventricular Arrhythmias During Exercise in Patients With Arrhythmogenic Cardiomyopathy NCT06823271 | Technical University of Munich | N/A |
| Not Yet Recruiting | Wearable Cardiac Monitor to Enhance Detection of Arrhythmia Recurrence After Catheter Ablation of Atrial Fibri NCT06564012 | Sunnybrook Health Sciences Centre | — |
| Recruiting | Chronical Illness-related Limitations of the Ability to Cope With Rising Temperatures, Third Wave NCT06890208 | Universitätsklinikum Hamburg-Eppendorf | — |
| Enrolling By Invitation | Ablation Guided Via Precision Imaging Using Electromechanical Wave Imaging NCT06577714 | Columbia University | N/A |
| Not Yet Recruiting | Low and Moderete Flow Anaesthesia on Haemodynamics NCT06871371 | Umraniye Education and Research Hospital | N/A |
| Not Yet Recruiting | Risk Stratifications for Patients With Palpitations NCT06103305 | Assiut University | — |
| Active Not Recruiting | Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring NCT06892938 | Everbeat | — |
| Not Yet Recruiting | Analysis of the Efficacy and Stability of a Wearable ECG Monitor NCT06546046 | Mezoo Co., Ltd. | N/A |
| Recruiting | To Compare and Evaluate the Efficacy and Safety Between TS-RF System and BRK Transseptal Needles Used for Tran NCT06358391 | Starmed | N/A |
| Recruiting | Mechanisms of Brain-Heart Injury of Post-Intracranial Hemorrhage NCT06906432 | Beijing Tiantan Hospital | — |
| Not Yet Recruiting | 12 Lead ECG Database NCT06513637 | Huxley Medical, Inc. | — |
| Recruiting | Accuracy of LAA Occluder Size Selection: CT vs. DSA During Combined AF Ablation and LAA Occlusion NCT06455644 | First Affiliated Hospital of Shantou University Medical College | N/A |
| Completed | RIB for Perioperative Analgesia in CIED Patients NCT06449599 | Istanbul University - Cerrahpasa | N/A |
| Completed | Chronical Illness-related Limitations of the Ability to Cope with Rising Temperatures: an Observational Study, NCT06407154 | Universitätsklinikum Hamburg-Eppendorf | — |
| Not Yet Recruiting | Cardiac Interventional ICE Imaging Trial NCT06344494 | ICE Intelligent Healthcare Co., Ltd | N/A |
| Recruiting | Ablation of Focal Activation in Atrial Fibrillation NCT06402617 | Imperial College London | N/A |
| Recruiting | Testing VIRTUES Patient Care Sets in Cardiac Patients (VIRTUES Cardiac Care) NCT05452356 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | — |
| Recruiting | Relevance of Recording an ECG Trace With a Connected Watch NCT06272396 | University Hospital, Bordeaux | N/A |
| Completed | AIMIGo 12L ECG Synthesis Software Pivotal Study for Arrythmia Detection NCT06123130 | HeartBeam, Inc. | N/A |
| Recruiting | The MAGiC™ Cardiac Ablation European Study NCT06019845 | Stereotaxis | N/A |
| Active Not Recruiting | Future Cardia™ Insertable Cardiac Monitor in Subjects With Paroxysmal Atrial Fibrillation (First-in-Human Stud NCT06167434 | Future Cardia, Inc | N/A |
| Recruiting | Multicenter Evaluation of Patients Using LATITUDE Monitoring System NCT06311149 | University Hospital of Ferrara | — |
| Active Not Recruiting | Clinical and Healthcare Economic OutcoMes From ReAl-worlD Use in Europe of an AI Software During AF Ablation NCT06083012 | Volta Medical | — |
| Active Not Recruiting | RESOLVE-AF: Clinical Evaluation of the Ablacath™ Mapping Catheter and Ablamap® System Utilizing Electrographic NCT05883631 | Cortex | N/A |
| Completed | InsightPFA Trial of the LotosPFA Catheter NCT06014996 | Insight Medtech Co., Ltd. | N/A |
| Not Yet Recruiting | Evaluation of a Proactive Clinical Management and Early Diagnosis of Arrhythmias in Patients With Heart Failur NCT05974306 | Leonardo Calò, MD | N/A |
| Unknown | Mobile Cardiac Outpatient Telemetry for Unexplained Syncope NCT05957315 | Carilion Clinic | N/A |
| Unknown | Artificial Intelligence (AI) Enabled, Cloud-based ECG Diagnostic Solution (ZBPro) Feasibility Testing NCT06013917 | ZBeats INC | — |
| Terminated | Chronical Illness-related Limitations of the Ability to Cope With Rising Temperatures: an Observational Study NCT05961163 | Universitätsklinikum Hamburg-Eppendorf | — |
| Completed | Ambulatory Leadless Electrocardiogram Recorder Trial Feasibility NCT05821465 | HelpWear Inc. | — |
| Active Not Recruiting | Assessment of Combined CCM and ICD Device in HFrEF NCT05855135 | Impulse Dynamics | N/A |
| Unknown | Atrial Fibrillation and Diabetes Mellitus NCT05873920 | Heart and Diabetes Center North-Rhine Westfalia | — |
| Recruiting | Rate Control Efficacy in Atrial Fibrillation With Rheumatic Mitral Stenosis: Lenient vs Strict Rate Control St NCT06409533 | University of Brawijaya | N/A |
| Recruiting | LEARN: Learning Environment for Artificial Intelligence in Radiotherapy New Technology NCT05184790 | University of Sydney | — |
| Completed | QT Changes as Detected From LINQ ECG During Antiarrhythmic Loading (LINQ QT) NCT05488470 | Medtronic Cardiac Rhythm and Heart Failure | — |
| Completed | Validation of ECG Waveform and Arrhythmia Diagnosis Concordance Using ECG Monitoring Patch and Holter Monitori NCT05744206 | Mezoo Co., Ltd. | N/A |
| Recruiting | Validation of ECG Waveform and Arrhythmia Diagnosis Concordance for Pediatric Patients Using ECG Monitoring Pa NCT05756309 | Mezoo Co., Ltd. | N/A |
| Completed | Effect of Dapagliflozin on Electrocardiographic Parameters in Type 2 Diabetes Patients: DAPA - ECG Study NCT06721442 | Beneficência Portuguesa de São Paulo | Phase 4 |
| Unknown | Automated Diagnostic Performance of Smartwatch ECG for Arrhythmia Detection Using the PulseAI Neural Network. NCT05668377 | PulseAI Ltd | — |
| Unknown | Cardiac Arrhythmias at Extreme Altitude NCT05676398 | Insel Gruppe AG, University Hospital Bern | — |
| Recruiting | ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System Pacin NCT06324682 | University Hospital of Ferrara | — |
| Recruiting | Cardiology Research Dubrava Prospective Registry NCT06090591 | University Hospital Dubrava | — |
| Recruiting | Prognosis Prediction System of Patients With Cardiovascular and Cerebrovascular Diseases Based on Multi-omics NCT06001073 | First Affiliated Hospital Xi'an Jiaotong University | — |
| Completed | AF-FLOW Registry to Evaluate Electrographic Flow Mapping in Patients Undergoing Ablation for Atrial Fibrillati NCT05481359 | Ablacon, Inc. | — |
| Completed | FLOW EVAL-AF: FLOW Mapping Electrogram VALidation in Patients With Persistent Atrial Fibrillation NCT06260670 | Ablacon, Inc. | N/A |
| Recruiting | The Leadless AV Versus DDD Pacing Study NCT05498376 | Insel Gruppe AG, University Hospital Bern | Phase 4 |
| Unknown | Association of Obesity and Cardiovascular Outcomes in Patients With Implantable Cardioverter-defibrillator (IC NCT05645965 | Ajou University School of Medicine | — |
| Unknown | Association of Obesity and Cardiovascular Outcomes in Patients With Pacemaker NCT05645978 | Ajou University School of Medicine | — |
| Unknown | Education and Counseling Program on Patients With CIEDs and Low HL NCT05636956 | Dokuz Eylul University | N/A |
| Unknown | Cardiac Arrest Post-Discharge ECG Monitoring NCT05337371 | Charite University, Berlin, Germany | — |
| Completed | Screening of Cardiac Arrhythmias With Wrist-worn Aino ECG Cardiac Monitor NCT05196412 | PulseOn Oy | N/A |
| Completed | Clinical Performance of the AFGen1 Device Over a 7-day Period NCT05295056 | TriVirum, Inc. | — |
| Completed | Reverse Cardiac Remodeling Among Elite Athletes After Short and Long-term Detraining NCT05555849 | Bispebjerg Hospital | — |
| Completed | Low Workload Concept for the Detection of Silent Atrial Fibrillation (AF) and Atrial Fibrillation Burden in Pa NCT05351775 | University of Turku | N/A |
| Completed | Impact on Risk Stratification of Overlap Syndrome Phenotype in Patients With E1784K Mutation in SCN5A NCT05274646 | Centre Hospitalier Universitaire de la Réunion | — |
| Active Not Recruiting | Cardiac Implantable Electronic Device (CIED) Research Study NCT05061862 | Medtronic Cardiac Rhythm and Heart Failure | — |
| Active Not Recruiting | Insertable Cardiac Monitor-Guided Early Intervention to Reduce Atrial Fibrillation Burden Following Catheter A NCT04922281 | University of Rochester | N/A |
| Unknown | Left Atrial FLUTter: a Comparison of Ablation Guided by High-density MApping and Empirical LINEar Ablation. NCT05063032 | Hospital Universitario La Paz | N/A |
| Completed | Ultrasound Guided Axillary Access vs Standard Fluoroscopic Technique for Cardiac Lead Implantation: ZEROFLUORO NCT05101720 | University Hospital of Ferrara | N/A |
| Active Not Recruiting | Full Early Atrial Diagnostics in Single Chamber ICD Patients Using the DX Lead and Home Monitoring in Brazil. NCT04869527 | Biotronik SE & Co. KG | — |
| Unknown | Using Cryoballoon Ablation as Initial Treatment for Persistent Atrial Fibrillation NCT04942834 | Ruijin Hospital | N/A |
| Completed | Tolerance of Centrifuge-induced Acceleration in Subjects With Diabetes Mellitus and Cardiac Arrhythmia NCT05404789 | The University of Texas Medical Branch, Galveston | N/A |
| Completed | enHEART - Exploring Full Content of Optical Signals to Enhance Cardiac Arrhythmia Screening NCT04884100 | Centre Hospitalier Universitaire Vaudois | N/A |
| Unknown | Comparison of Prone Position and Standard Electrocardiogram in COVID-19 Patients NCT05047835 | Khon Kaen University | — |
| Unknown | HOLT-ED: Holter-monitoring in End-stage Renal Disease NCT04876963 | Rigshospitalet, Denmark | — |
| Unknown | Physician Acceptance of the NeuTrace System for Cardiac Electroanatomic Mapping NCT05214170 | NeuTrace, Inc. | N/A |
| Completed | CanGaroo® Registry Study NCT04846127 | Elutia Inc. | — |
| Completed | Evaluation of ECG Transmission and AI Models Using Apple Watch ECGs and Symptoms Data Collected Using a Mayo i NCT05324566 | Mayo Clinic | — |
| Unknown | The RODEO Micro Mapping Catheter in Cryoablation Procedures NCT04845750 | afreeze GmbH | N/A |
| Unknown | Mobile Electrocardiogram Monitoring for Detecting Arrhythmias in Children NCT05140343 | Centro Medico Teknon | N/A |
| Completed | Clinical Investigation to Evaluate the Effectiveness and Safety of ECG App NCT05482503 | Huawei Device Co., Ltd | N/A |
| Completed | Aino ECG Ambulatory Study NCT05008601 | PulseOn Oy | — |
| Recruiting | Clinical Cohort Study - TRUST NCT05521451 | Universitätsklinikum Hamburg-Eppendorf | — |
| Recruiting | An Observational Post-marketing Study Using Commercially Approved Biosense Webster (BWI) Medical Devices for t NCT04750798 | Biosense Webster, Inc. | — |
| Unknown | Feasibility and Safety of IV Sotalol Administered as a Loading Dose to Initiate Oral Sotalol Therapy NCT04473807 | Kansas City Heart Rhythm Research Foundation | Phase 4 |
| Completed | Remote Care for CIED Patients in Korea NCT04557111 | Saint Vincent's Hospital, Korea | — |
| Unknown | Ablation of Consecutive Atrial Tachycardia NCT05239364 | Evangelical Hospital Düsseldorf | N/A |
| Completed | Predicting Risk of Atrial Fibrillation and Association With Other Diseases NCT05837364 | University of Leeds | — |
| Completed | Prevention of Dysrhythmias on the Cardiac Intensive Care Unit - Does Maintenance of High-normal Serum Potassiu NCT04053816 | Barts & The London NHS Trust | Phase 3 |
| Unknown | Comparative Analysis in Detection of Atrial Arrhythmia and ECG Quality in Three Different Insertable Cardiac M NCT04471584 | Kansas City Heart Rhythm Research Foundation | N/A |
| Withdrawn | RECORD-VP: Real-time Evaluation of Cardiac Outpatient Recording Device With VitalPatch RTM NCT04556240 | VitalConnect Inc. | — |
| Completed | Associations of Combinations of Single-nucleotide Polymorphisms in Women With Premature Ovarian Failure NCT04943354 | Ryazan State Medical University | N/A |
| Recruiting | The Dynamics of Human Atrial Fibrillation NCT05366361 | Stanford University | — |
| Unknown | CMR Based Prediction of Ventricular Tachycardia Events in Healed Myocardial Infarction (DEVELOP-VT) NCT04599439 | Centro Medico Teknon | — |
| Active Not Recruiting | Validation Study of WITHINGS BPM Core for the Detection of Atrial Fibrillation NCT04464499 | Withings | — |
| Recruiting | Machine Learning in Atrial Fibrillation NCT05371405 | Stanford University | — |
| Completed | SmartCardia Wireless Recorder as a Telemetry System NCT04609436 | University Hospital Freiburg | — |
| Completed | Dobutamine on the Cardiac Conduction System NCT04249258 | Northwell Health | EARLY_Phase 1 |
| Completed | Beta Blockers Plus Intravenous Flecainide for Paroxysmal Atrial Fibrillation: a Real-world Chios Registry (BET NCT04991896 | AHEPA University Hospital | — |
| Completed | Evaluation of Ambulatory Monitoring of Patients After High-risk Acute Coronary Syndrome Using Two Different Sy NCT03940066 | Fundación EPIC | N/A |
| Completed | Smart Watch iECG for the Detection of Cardiac Arrhythmias NCT04092985 | Helios Health Institute GmbH | — |
| Withdrawn | Cloud-Based Mapping for Personalized Ablation NCT04127123 | Stanford University | — |
| Completed | Model-based Systems for Professional Football Teams, Aimed at Optimizing Health and Performance NCT05872945 | RCD Mallorca SAD | — |
| Completed | Blood Management During ECMO for Cardiac Support NCT03714048 | St Vincent's Hospital, Sydney | — |
| Unknown | Iron Intravenous Therapy in Reducing the Burden of Severe Arrhythmias in Heart Failure With Reduced Ejection F NCT04974021 | Aristotle University Of Thessaloniki | — |
| Unknown | Esophageal Damage Protection During Pulmonary Vein Ablation. Pilot Study. NCT03832959 | Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | N/A |
| Completed | Cardiac Monitor Employee Study NCT03826225 | Boston Scientific Corporation | — |
| Unknown | Treatment Success With the CoolLoop Cryoablation System NCT03818724 | afreeze GmbH | — |
| Unknown | Early Diagnosis of Atrial Fibrillation in the Wait-Time Prior to Seeing a Cardiologist NCT04302311 | Victoria Cardiac Arrhythmia Trials | N/A |
| Completed | Evaluation of the Use of Apple Watch Features for Identification of Cardiac Arrhythmias NCT03769207 | Apple Inc. | N/A |
| Completed | Hypoglycemia and Cardiac Arrhythmias in Type 1 Diabetes NCT03956173 | Steno Diabetes Center Copenhagen | — |
| Completed | Development of a Novel Convolution Neural Network for Arrhythmia Classification NCT03662802 | Scripps Clinic | — |
| Unknown | Arrhythmias in Pulmonary Hypertension Assessed by Continuous Long-term Cardiac Monitoring NCT04554160 | Rigshospitalet, Denmark | — |
| Completed | Prospective Elimination Of Distal Coronary Sinus-Left Atrial Connections for Atrial Fibrillation Ablation Tria NCT03646643 | University of Pennsylvania | N/A |
| Unknown | Drug-induced Repolarization ECG Changes NCT03642405 | Copenhagen University Hospital at Herlev | — |
| Completed | Stanford Cardiac Invasive Electrophysiology Novel Computer Experience NCT03549806 | Stanford University | — |
| Unknown | Fetal Growth and Pregnancy Complications Among Women With Heart Disease NCT03657823 | Oslo University Hospital | — |
| Unknown | Comparison of 24-hour Holter Monitoring Versus 14-day Continuous ECG Patch Monitoring EZYPRO NCT03602742 | Sigknow Biomedical Co., Ltd. | N/A |
| Completed | Left Atrial Appendage Occlusion With WATCHMAN® Device in Patients With Non-valvular Atrial Fibrillation and En NCT03446794 | Fundación EPIC | — |
| Unknown | Real Zero Fluoroscopy Catheter Ablation. NCT03458273 | Medical University of Lublin | — |
| Completed | Apple Heart Study: Assessment of Wristwatch-Based Photoplethysmography to Identify Cardiac Arrhythmias NCT03335800 | Apple Inc. | N/A |
| Completed | Holter Versus Zio Patch Electrocardiographic Monitoring in Children NCT03309956 | Columbia University | N/A |
| Completed | China Evera MRI® Study NCT03261063 | Medtronic Cardiac Rhythm and Heart Failure | N/A |
| Withdrawn | Assessment Of MRI In Patients With Implanted Cardiac Devices NCT02815384 | University of Arizona | — |
| Completed | Use of Device Data to Predict Frailty in Individuals NCT03079726 | University of Colorado, Denver | — |
| Completed | Prior Statin Use and Risk of CHF, ALO and Malignant Arrhythmia in Indonesian Post-Acute Coronary Syndrome Pati NCT03596931 | Tarumanagara University | — |
| Completed | Heart Failure and Sudden Cardiac Death Japan Registry NCT03185832 | Boston Scientific Corporation | — |
| Active Not Recruiting | Evaluation of PET/MR in Patients Selected for Ablation Therapy NCT03265431 | Massachusetts General Hospital | Phase 2 |
| Completed | cARdiotoxicity Profile of aBIraTeRone in prostAte Cancer : a pharmacoviGilancE Study NCT03243604 | Groupe Hospitalier Pitie-Salpetriere | — |
| Completed | Surface ECG Signal Recording for the Implantable Subcutaneous String Defibrillator (ISSD) Detection Algorithm NCT03408951 | NewPace Ltd | — |
| Completed | ICT-based Monitoring for Arrhythmia Detection After AF Ablation NCT03256812 | Keimyung University Dongsan Medical Center | N/A |
| Terminated | Detection of Atrial Fibrillation After Cardiac Surgery NCT02793895 | Unity Health Toronto | N/A |
| Completed | Influence of a Multi-parametric Optimization Strategy for General Anesthesia on Postoperative Morbidity and Mo NCT02668250 | Centre Hospitalier Universitaire de Saint Etienne | N/A |
| Completed | Hypomagnesemia Associated With Proton-Pump Inhibitor Use NCT04426994 | Changi General Hospital | — |
| Active Not Recruiting | Acute Kidney Injury Genomics and Biomarkers in TAVR Study NCT02791880 | University of Texas Southwestern Medical Center | — |
| Unknown | Discrimination of P and T Waves With Linq and Holter NCT02957006 | TriHealth Inc. | — |
| Unknown | Safety of Magnetic Resonance Imaging in Non-MRI Conditional Pacemakers and ICD Devices NCT02906189 | Banner Health | — |
| Unknown | Randomized Clinical Trial PULVAB (Prophylactic Pulmonary Veins Ablation) NCT03857711 | National Research Center of Surgery, Russia | N/A |
| Unknown | International Electrical Storm Registry NCT02882139 | Università Politecnica delle Marche | — |
| Completed | Sleep Apnea Diagnosis Using a Novel Pacemaker Algorithm and Link With Aldosterone Plasma Level in Patients Pre NCT02751021 | University Hospital, Caen | N/A |
| Completed | The IPED (Investigation of Palpitations in the ED) Study NCT02783898 | NHS Lothian | N/A |
| Completed | Assessment of a Diagnostic Medical Device for the INR (International Normalized Ratio) Measurement NCT02779400 | University Hospital, Grenoble | N/A |
| Enrolling By Invitation | Autoimmune Basis for Postural Tachycardia Syndrome NCT02725060 | Vanderbilt University Medical Center | N/A |
| Completed | Multi-Channel Esophageal ECG Signal Classification NCT02541175 | Insel Gruppe AG, University Hospital Bern | — |
| Completed | Munich Study for Beer Related ECG Change Workup NCT02550340 | LMU Klinikum | — |
| Completed | Effect of Monitoring System Design on Response Time to Cardiac Arrhythmias NCT02466633 | Duke University | N/A |
| Completed | Post-Embolic Rhythm Detection With Implantable Versus External Monitoring NCT02428140 | University of Alberta | N/A |
| Completed | EASYER (EpiAccess SYstem Registry) A Post Market Observational Registry NCT02481102 | EpiEP, Inc. | — |
| Terminated | Renal Nerve Stimulation and Renal Denervation in Patients With Sympathetic Ventricular Arrhythmias NCT02856373 | Diagram B.V. | Phase 2 |
| Completed | Pulse Waveform and ECG Analysis in Postoperative Cardiac Surgical Patients NCT02350608 | Tampere University Hospital | — |
| Unknown | Safety Procedure Pulmonary Artery Denervation in Addition to Pulmonary Vein Isolation Combined With Ganglionat NCT02298244 | Krasnoyarsk Regional Hospital | N/A |
| Withdrawn | Remote Interrogation in Rural Emergency Departments NCT02421549 | Abbott Medical Devices | Phase 4 |
| Terminated | CoolLoop Paroxysmal Atrial Fibrillation NCT02553239 | afreeze GmbH | N/A |
| Completed | Effects of Marine n-3 Fatty Acids on Heart Rate Variability and Arrhythmias in Patients Receiving Chronic Dial NCT02147977 | Aalborg University Hospital | N/A |
| Completed | Reveal LINQ Registry NCT02746471 | Medtronic Cardiac Rhythm and Heart Failure | — |
| Terminated | Activation Timing and Atrial Fibrillation NCT02063191 | Essentia Health | — |
| Completed | "EASE" Epicardial Access With the EpiAccess System NCT02209064 | EpiEP, Inc. | N/A |
| Unknown | Utilising Lifemap to Investigate Malignant Arrhythmia Therapy NCT02058771 | University Hospitals, Leicester | — |
| Completed | Remote Device Interrogation In The Emergency Department NCT01871090 | Abbott Medical Devices | N/A |
| Completed | Study to Monitor Patients With Pacemakers or ICDs Who Undergo MRI Scans NCT01999751 | Essentia Health | — |
| Unknown | SmartTouch Catheter in Ablation of Ventricular Tachycardia NCT01639365 | Hospital Universitario Virgen de la Arrixaca | — |
| Completed | X-ray Dose Reduction in Electrophysiology NCT01593852 | Philips Clinical & Medical Affairs Global | N/A |
| Unknown | Reasons for Variations in Health Related Quality of Life and Symptom Burden in Patients With Atrial Fibrillati NCT01553045 | University Hospital, Linkoeping | — |
| Terminated | Efficacy and Safety Study of Azimilide on the Incidence of Cardiovascular Hospitalizations/Emergency Departmen NCT01464476 | Forest Laboratories | Phase 3 |
| Unknown | Telemetric Arrhythmia and Syncope Diagnosis - Evaluation of Arrhythmia Treatment Efficacy NCT01265303 | National Institute of Cardiology, Warsaw, Poland | N/A |
| Completed | The Maintenance of Human Atrial Fibrillation NCT01248156 | University of California, San Diego | — |
| Completed | Japanese Assessment of Indication Based Programming NCT01143220 | Boston Scientific Corporation | — |
| Completed | Reveal In-Office Implants NCT01168427 | Medtronic Cardiac Rhythm and Heart Failure | — |
| Completed | Monitoring of Fluid Status in Heart Failure Patients by Intrathoracic Impedance Measurement in Japan (J-HomeCA NCT01221649 | Biotronik Japan, Inc. | Phase 4 |
| Unknown | CANadian Clinical Evaluation of SpiderFlash Arrhythmia DETECTion in SpiderFlash™ Device NCT01218763 | Sorin Group Canada | — |
| Terminated | Hemodynamic Differentiation of Tachycardia Episodes Using Tissue Perfusion NCT01088308 | Medtronic BRC | N/A |
| Completed | Implantable Cardioverter Defibrillators - Improving Risk Stratification NCT01944514 | University Hospitals, Leicester | — |
| Completed | SIELLO Pilot Study for Comparison of Steroid Versus Non-Steroid Pacing Leads NCT01000532 | Biotronik SE & Co. KG | — |
| Completed | Continuous Cardiac Arrhythmia Monitoring in Hemodialysis Patients NCT00932659 | Duke University | — |
| Completed | Changes in Blood Gases, Disturbance of Breath During Sleep and Cardiovascular Co-morbidity in COPD Patients NCT00888342 | LHL Helse | N/A |
| Recruiting | Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic NCT00921986 | The Cleveland Clinic | — |
| Completed | Safety of Continuous Potassium Chloride Infusion in Critical Care NCT00718068 | The Queen Elizabeth Hospital | Phase 4 |
| Completed | Monitoring of Fluid Status in Heart Failure Patients by Intrathoracic Impedance Measurement (HomeCARE II) NCT00711360 | Biotronik SE & Co. KG | Phase 4 |
| Completed | Stress Reduction to Reduce Risk for Arrhythmia in ICD Patients (The RISTA Study) NCT00627263 | Yale University | N/A |
| Completed | Evaluating the Risk of Serious Ventricular Arrhythmia and Sudden Cardiac Death Among Users of Domperidone NCT00925457 | Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | — |
| Completed | Dysrhythmias During General Anesthesia in Children NCT00715390 | Children's Hospital of Philadelphia | — |
| Withdrawn | One Hospital ClinicalService Project NCT01007474 | Medtronic Italia | — |
| Completed | Clinically Indicated Magnetic Resonance Imaging in Patients With Cardiac Devices NCT01130896 | Johns Hopkins University | — |