Changes in Regional and Global Cardiac Contractility After Stimulation in Scar Zone with the NOGA System

"Each subject will be his own witness since the linear local shortening (LLS) will be measured successively in all patients before, then after stimulation of the scar zone (comparison of LLS measured in sinus rhythm then during stimulation in the scar zone for each patient.~Each subject being his own witness and the two recordings being made a few minutes apart, during the same procedure."