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Diagram of subcutaneous implantable cardioverter-defibrillator and transvenous atrial pacemaker in patient with lateral tunnel Fontan (a). Posteroanterior (b) and lateral (c) radiographs demonstrating single chamber pacemaker (white cross) with lead to systemic venous portion of the right atrium and subcutaneous implantable cardioverter-defibrillator (white star). Figure adapted with permission from Chubb et al [7]
