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Figure 3 (A) The measurement of the width of the crista terminalis (CT) gap. During animation of the isopotential map while the activation wavefront propagates through the gap, the contour lines of voltage converge and turn as they pass the edge of the CT gap. The location adjacent to the convergence of the isopotential contour lines is defined as the edge of the gap. Therefore, the width of the CT gap is measured as the surface distance between the edges of the gap. (B) The propagation of activation wavefront across the CT conduction gap in Case 6. The marked blue line represents the measurement of the width of the CT gap.
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