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  • Title: [The persistence of the left vena cava superior and the absence of the right vena cava superior: the implications in the implantation of a definitive pacemaker].
    Author: Sanfins V, Reis F, Fernandes J, Lourenço A, Gonçalo L, Pereira A, Campos J, de Almeida J.
    Journal: Rev Port Cardiol; 1999 Mar; 18(3):241-5. PubMed ID: 10335087.
    Abstract:
    Persistent left superior vena cava and associated absence of the right superior vena cava is exceedingly rare. The authors present a case, diagnosed when a DDD pacemaker system was being implanted, and point out its rarity, possibility of diagnosis by non invasive methods and technical implications in transvenous electrode implantation.
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