Cardiology Research and Practice / 2012 / Article / Fig 1

Research Article

CRT-D Therapy in Patients with Decompensated NYHA Class-Four CHF

Figure 1

Cardiac electrogram measuring electrical separation (ES). Vertical lines measure ES from the beginning of the native QRS to the intrinsicoid deflection of the unipolar left ventricular electrogram in its final position (ES = 160 ms).

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