Population
A patient with complete heart block refractory to medical therapy and an unusual thoracic venous anomaly.
Design
Case_report
Authors
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Rare SVC anomalies may preclude transvenous pacemaker implantation; case reports leave open the value of pre-procedural venous imaging.
A superior vena caval anomaly can act as a rare anatomical barrier preventing pervenous pacemaker implantation.
Harthorne et al. (1969) studied this question.
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