The objective of this study will be to evaluate the ability of IEGMs (Signal recorded from implanted pacing leads) and pseudo ECGs (derived from various IEGMs) to characterize various electrical conduction patterns. Electroanatomic mapping data and 12 Lead ECG will also be collected to characterize electrical conduction patterns during standard electrophysiology exam.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
16
Patient will be paced in VVI mode from Left ventricle specific position for a short period of time per position in order to cover spontaneous ventricular activity
CHU haut leveque
Pessac, France
Correlation of ventricular activation patterns determined by 12-lead ECG and device IEGMs-based method
Correlation coefficient between ventricular activation patterns determined by a traditional technique, 12-lead ECG based vs. device based IEGMs method.
Time frame: Acute, intraoperative
Ventricular activation origin location determined by IEGMs based method vs. by detailed mapping
Use of available IEGMs recorded on implanted device to discriminate specific VT origin and pattern and compare the results to the detailed mapping data
Time frame: Acute, intraoperative
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