Yonsei Med J.  2017 Jul;58(4):884-887. 10.3349/ymj.2017.58.4.884.

Focal Atrial Tachycardia Arising from the Inferior Vena Cava

• Lim YM
• Uhm JS
• Pak HN

• KMID: 2419099
• DOI: http://doi.org/10.3349/ymj.2017.58.4.884

Abstract

The inferior vena cava (IVC) is a rare site of focal atrial tachycardia (AT). Here, we report a 20-year-old woman who underwent catheter ablation for anti-arrhythmic drug-resistant AT originating from the IVC. She had undergone open-heart surgery for patch closure of an atrial septal defect 17 years previously and permanent pacemaker implantation for sinus node dysfunction 6 years previously. The AT focus was at the anterolateral aspect of the IVC-right atrial junction, and it was successfully ablated under three-dimensional electroanatomical-mapping guidance. We suspect that the mechanism of this tachycardia was associated with previous IVC cannulation for open-heart surgery.

Keyword

Atrial tachycardia; inferior vena cava; catheter ablation

MeSH Terms

Adolescent
Catheter Ablation
Child, Preschool
Electrocardiography
Female
Heart Atria/*pathology
Humans
Imaging, Three-Dimensional
Signal Processing, Computer-Assisted
Tachycardia/diagnostic imaging/*pathology
Vena Cava, Inferior/*pathology
Young Adult

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