Can We Use the Intrinsic Left Ventricular Delay (QLV) to Optimize the Pacing Configuration for Cardiac Resynchronization Therapy With a Quadripolar Left Ventricular Lead? [Original Articles]

Conclusions:
The large variation in acute hemodynamic response indicates that the choice of the stimulated electrode on a quadripolar lead is important. Although QLV/QRSd was associated with acute hemodynamic response at group level, it cannot be used to select the optimal electrode in the individual patient.

Source: Circulation: Arrhythmia and Electrophysiology - March 16, 2018 Category: Cardiology Authors: van Everdingen, W. M., Zweerink, A., Cramer, M. J., Doevendans, P. A., Nguyen, U. C., van Rossum, A. C., Prinzen, F. W., Vernooy, K., Allaart, C. P., Meine, M. Tags: Heart Failure, Pacemaker Original Articles Source Type: research