Key result
Attempted pacemaker implantation and subsequent phlebography revealed a persistent left superior vena cava with an absent right superior vena cava in a 52-year-old patient.
Population
52-year-old patient referred for pacemaker implantation
Design
Case_report
Authors
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Rare anomaly may hinder right venous access; case report extends anatomic awareness but leaves open prevalence and guidelines.
Highlights a rare anatomical variation (persistent left superior vena cava with absent right superior vena cava) discovered during pacemaker implantation.
Bonios et al. (2013) studied this question. Attempted pacemaker implantation and subsequent phlebography revealed a persistent left superior vena cava with an absent right superior vena cava in a 52-year-old patient.
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