ECG Belt to Assess Electrical Synchronization

"ECG Belt Research System Procedure LBBP Native conduction RV pacing if available Bipolar LBBP Unipolar LBBP - nonselective and selective (different outputs) Fusion pacing with native conduction at different Atrioventricular (AV) delays~HOT-CRT Native conduction HBP / LBBP HOT-CRT AV delay optimization. Medtronic Device (pacemaker/ICD) based Holter recording during the ECG belt recording"