Physiological Assessment of Ventricular Myocardial Voltage Using Omnipolar Electrograms.

Figure 3 A shows, for a single pacing location, for all 10 beats, and for all cliques from each electrode array within each species, that although the absolute value of the differences between all the paired H and V bipolar Vpp values did not reach statistical significance according to our hierarchical mixed effect model (α<0.05, 0.17±0.18 mV, 0.43±0.24 mV, and 0.25±0.18 mV for rabbit, porcine, and humans, respectively), the difference between resultant color maps from individual electrode orientations clearly shows the influence of electrode orientation to bipolar voltage mapping as indicated by the wide range of colors represented within each map.

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