Persistent left superior vena cava – an anomaly to remember

Br J Cardiol 2003;10:207-10 Leave a comment
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Persistent left superior vena cava (PLSVC) is the most common anomaly involving central venous return in thorax. Anatomically it is a mirror image of the right superior vena cava and is usually asymptomatic but can cause difficulties during Swan-Ganz catheterisation and insertion of pacing systems. This article presents a comprehensive review of this anomaly and clinical scenarios in which it can prove problematic, illustrated by an example.

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