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  • Title: Defibrillator implantation in a patient with a persistent left superior vena cava.
    Author: Mattke S, Markewitz A, Dorwarth U, Hoffmann E, Steinbeck G.
    Journal: Pacing Clin Electrophysiol; 1995 Jan; 18(1 Pt 1):117-20. PubMed ID: 7700825.
    Abstract:
    The implantation of a transvenous cardioverter defibrillator (PCD 7217B) was performed in a patient with a persistent left superior vena cava. The defibrillation electrodes were positioned in the right ventricle and the superior vena cava via the right subclavian vein. A subcutaneous patch had to be implanted at the left lateral chest wall to achieve sufficient defibrillation thresholds. Three weeks later the system had to be removed because of a generator pocket infection. During the second implantation we placed one electrode in the persistent left superior vena cava perpendicular to the electrode in the right ventricle. Using this configuration transvenous defibrillation was possible without an additional subcutaneous patch.
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