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Figure 4 Proarrhythmia From Local Lead Effects?
Patient A presented with slow ventricular tachycardia initially, and rapid ventricular tachycardia induced in the laboratory was successfully pace terminated from the right ventricular catheter directly adjacent to the implantable cardioverter-defibrillator lead with paced morphology identical to tachycardia. Patient B presented with 28 implantable cardioverter-defibrillator shocks, and the closest pace map was from the right ventricular catheter adjacent to the implantable cardioverter-defibrillator lead in the apex.
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