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Updated: Aug 19, 2026

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A New Single Chamber Implantable Defibrillator with Atrial Sensing: A Practical Demonstration of Sensing and Ease of Implantation
Published on: February 28, 2012
Implantation of a dual chamber pacemaker in a patient with persistent left superior vena cava
D H Roberts1, C M Bellamy, D R Ramsdale
1Cardiothoracic Centre, Liverpool, UK.
International Journal of Cardiology
|August 1, 1992
Abstract:
A patient underwent dual chamber pacemaker implantation by puncture of the left subclavian vein. During the procedure we observed persistence of the left superior vena cava. An active fixation atrial lead was required to prevent instability induced by the odd course of the electrode and produced excellent long term pacing and sensing.
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