Persistent left superior vena cava – A vascular access without limitations Tatiana Guimarães, Ana Bernardes, João de Sousa, Pedro Marques

Implantation of a cardiac resynchronization therapy defibrillator through a persistent left superior vena cava Miguel Nobre Menezes, Ana Bernardes, João de Sousa, Pedro Marques

Utilisation of the snare technique for left ventricular lead placement in a patient with persistent left superior vena cava Gustavo Lima da Silva, João de Sousa, Pedro Marques