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Example of a reentrant circuit in Patient 5 with changes in the morphology of the circuit as compare to Figure 2E–F. Panels A–B: Sinus rhythm activation map (same as Figure 2A–B). Panels C–D: The extrastimulation cycle leading to the reentrant VT episode shown at the bottom of the figure. E–F: reentrant VT activation map. Arrows in the VT map denote the path of each loop of the circuit.
