Device-based QRS Evaluation

Cardiac Resynchronization Therapy (CRT) Efficacy Study

NCT00822146 ·Status: COMPLETED ·Phase: NA

ECG Optimization of CRT: Evaluation of Mid-term Response

NCT01439529 ·Status: COMPLETED ·Phase: PHASE3

Electrical Optimization of Cardiac Resynchronization Therapy in Non-responder Patients

NCT03789487 ·Status: TERMINATED ·Phase: NA

ENHANCE-Efficacy of the Presence of Right Ventricular Apical Pacing Induced Ventricular Dyssynchrony as a Guiding Parameter for Biventricular Pacing in Patients With Bradycardia and Normal Ejection Fraction

NCT01559311 ·Status: COMPLETED ·Phase: NA

A Study to Determine the Feasibility of Wireless Electrocardiography

NCT02162394 ·Status: COMPLETED

REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)

NCT05652218 ·Status: ACTIVE_NOT_RECRUITING ·Phase: NA

The Prevention of Myocardial Enlargement and Dilatation Post Myocardial Infarction Study

NCT00605631 ·Status: COMPLETED ·Phase: NA

Comparison of CRT-D and CRT-DX Systems (CRT-NEXT)

NCT03587064 ·Status: RECRUITING ·Phase: NA

Application of Right Atrial Left Ventricular Fusion Pacing in Patients With CRT Indications

NCT03071978 ·Status: COMPLETED ·Phase: NA

Biological Mechanisms Behind Resynchronization Therapy in Heart Failure

NCT06140914 ·Status: RECRUITING

Safety and Effectiveness of Left Bundle Branch Area Pacing Versus Conventional Cardiac Resynchronization Therapy in Heart Failure

NCT07069738 ·Status: RECRUITING ·Phase: NA

Response to Cardiac Resynchronization Therapy of Previously Right Ventricular Paced Heart Failure Patients

NCT01466621 ·Status: COMPLETED

ECG Belt for CRT Response

NCT03504020 ·Status: COMPLETED ·Phase: NA

Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients

NCT04083690 ·Status: UNKNOWN ·Phase: NA

Cardiac Resynchronization Therapy Modular Registry

NCT01573091 ·Status: COMPLETED

MASTER II - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients

NCT00305214 ·Status: COMPLETED ·Phase: NA

ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System Pacing

NCT06324682 ·Status: RECRUITING

Cardiac Resynchronization Therapy in Previously Untreatable and High Risk Upgrade Patients

NCT02922036 ·Status: ACTIVE_NOT_RECRUITING ·Phase: NA

Assessment of Cardiac Resynchronization Therapy in Patients With Wide QRS and Non-specific Intraventricular Conduction Delay: a Randomized Trial

NCT02454439 ·Status: UNKNOWN ·Phase: NA

Cardiac Resynchronization Therapy Defibrillator Based Impedance Monitoring Study

NCT00500838 ·Status: COMPLETED ·Phase: NA

Full Early Atrial Diagnostics in Single Chamber ICD Patients Using the DX Lead and Home Monitoring in Brazil.

NCT04869527 ·Status: ACTIVE_NOT_RECRUITING

Predictives Factors of Cardiac Resynchronization Therapy: a Multimodal Analysis Using 2D Speckle Tracking Echocardiography Coupled With MIBG Myocardial Scintigraphy and Heart Failure Biomarkers

NCT02018029 ·Status: UNKNOWN

ECG Signal Collection From Long QT Syndrome, Wide QRS Complexes, Heart Failure, and Cardiac Resynchronization Patients

NCT00399412 ·Status: COMPLETED

Optimization of Cardiac Resynchronization Therapy by Non-Invasive Imaging of Cardiac Electrophysiology

NCT04662970 ·Status: RECRUITING ·Phase: NA

Clinical Utility and Validation of the Rhythmia Mapping System for the Treatment of Cardiac Arrhythmias

NCT03094221 ·Status: COMPLETED