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Updated: Aug 20, 2026

A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Transvenous cardioverter-defibrillator implantation with a double coil lead via persistent left superior vena cava
Luca Paperini1, Enrico Pardini, Alberto Genovesi Ebert
1Division of Cardiology, Spedali Riuniti, Livorno, Italy. luca.paperini@tin.it
Abstract:
A dual-coil defibrillation lead was inserted in a 64-year-old male through a persistent left superior vena cava draining into the coronary sinus. The lead, connected to a cardioverter-defibrillator (ICD) implanted in the left pectoral area, was looped in the right atrium positioning the proximal and distal lead coils in the coronary sinus and right ventricular outflow track respectively and resulting in a low and stable defibrillation threshold. Because of its relative ease and effectiveness, this procedure may be recommended in patients with persistent left superior vena cava requiring an ICD implant.
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