ST-Segment Elevation Associated with Mobitz II Atrioventricular Block During Transseptal Puncture for Atrial Fibrillation Ablation

  • Paula Damasco do Vale Instituto Hospital de Base do Distrito Federal – Brasília/DF – Brazil.
  • Lívia Teixeira Martins e Silva Ritmocardio Serviço de Arritmia e Eletrofisiologia de Brasília – Brasília/DF – Brazil. https://orcid.org/0000-0002-8282-442X
  • Jairo Macedo da Rocha Instituto Hospital de Base do Distrito Federal – Brasília/DF – Brazil / Ritmocardio Serviço de Arritmia e Eletrofisiologia de Brasília – Brasília/DF – Brazil.
  • Carla Septimio Margalho Instituto Hospital de Base do Distrito Federal – Brasília/DF – Brazil / Ritmocardio Serviço de Arritmia e Eletrofisiologia de Brasília – Brasília/DF – Brazil.
  • Henrique César de Almeida Maia Instituto Hospital de Base do Distrito Federal – Brasília/DF – Brazil / Ritmocardio Serviço de Arritmia e Eletrofisiologia de Brasília – Brasília/DF – Brazil.
Keywords: Atrial fibrillation, Puncture, Electrocardiography, Catheter ablation

Abstract

Pulmonary veins electrical isolation as an invasive treatment of atrial fibrillation has been widely used in electrophysiology laboratories. This case report presents a rare and transient complication, during transseptal puncture for atrial fibrillation ablation. ST-segment elevation, hypotension and bradyarrhythmia related to catheterization were observed despite cineangiocoronariography without obstructive lesions. Clinical stability was achieved after administration of intravenous atropine and saline solution. It is speculated that the phenomenon is attributed to an increased vagal tone after the mechanical effect of transseptal puncture in the interatrial vagal network. The procedure was completed despite the phenomenon.

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References

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Published
20-11-2020
How to Cite
Damasco do Vale, P., Teixeira Martins e Silva, L., Macedo da Rocha, J., Septimio Margalho, C., & de Almeida Maia, H. C. (2020). ST-Segment Elevation Associated with Mobitz II Atrioventricular Block During Transseptal Puncture for Atrial Fibrillation Ablation. JOURNAL OF CARDIAC ARRHYTHMIAS, 33(4). Retrieved from https://jca.org.br/jca/article/view/3427
Section
Electrophysiology