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Research Article Open access CC BY 4.0

Pacemaker Implantation in a Rare Case of Situs Inversus Dextrocardia Using PRSVC Approach and Its Challenges

ALZEER ISLAM, HILAL SAFAE, FELLAT IBTISSAM, Cherti Mohamed

Asian Journal of Cardiology Research · pp. 662–667 · Published 13 Oct 2025

10.9734/ajcr/2025/v8i1325

Abstract

Situs inversus dextrocardia is a rare congenital anomaly that can complicate medical procedures, including the implantation of a dual-chamber pacemaker (PM). This case report describes the challenges encountered during pacemaker implantation in a patient with situs inversus dextrocardia and a complex venous anatomy, including a persistent right superior vena cava (RSVC) draining directly into the coronary sinus (CS) and a left-sided venous drainage with multiple turbulences. Despite the anatomical challenges, the procedure was successful, with pacemaker leads successfully placed in the left-sided right ventricle. This case highlights the importance of thorough preoperative assessment and understanding of venous variations in patients with situs inversus dextrocardia.

Situs inversus dextrocardia Persistent right superior vena cava Atrioventricular block Pacemaker implantation Heterotaxy syndrome Polysplenia

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